List of Publications

JAAKKO ASTOLA

 

Books

  1. E. Dougherty, J. Astola, "An Introduction to Nonlinear Image Processing, Tutorial Texts in Optical Engineering", vol TT 16, SPIE Bellingham, pp. 182, 1994.
  2. S. Agaian, J. Astola, K. Egiazarian, "Binary Polynomial Transforms and Nonlinear Digital Filters", Marcel Dekker Inc., New York, pp. 336, 1995.
  3. J. Astola, P. Kuosmanen, "Fundamentals of Nonlinear Digital Filtering", CRC Press Inc., Boca Raton, May 1997, pp. 288, ISBN 0-8493-2570-6, 1997.
  4. Stankovic, R.S. & Astola, J.T., "Spectral Interpretation of decision Diagrams", Springer Verlag, New York, 2003, 285 pp, 2003.
  5. Zhang, W., Shmulevich, I. & Astola, J., "Microarray quality control", New Jersey, USA. John Wiley & Sons. 136 pp, 2004.
  6. R.S. Stankovic, C. Moraga & J.T. Astola, "Fourier Analysis on Finite Groups with Applications in Signal Processing and System Design", John Wiley & Sons, Inc., New Jersey, 236 pp, 2005.
  7. J.T. Astola & R.S. Stankovic, "Fundamentals of Switching Theory and Logic Design, A Hands on Approach", Springer, The Netherlands, 342 pp, 2006.
  8. V. Katkovnik, K. Egiazarian, and J. Astola, "Local Approximation Techniques in Signal and Image Processing", SPIE Press, Monograph Vol. PM157, September, 2006.

 

Chapters in books

  1. J. Astola, L. Koskinen and Y. Neuvo, "Statistical Properties of Discrete Morphological Filters" in E. Dougherty ed., Mathematical Morphology in Image Processing, Marcel Dekker, New York, pp. 93 - 120, 1992.
  2. J. Astola and E. Dougherty, "Nonlinear Filters", in E. Dougherty ed. Digital Image Processing Methods, Marcel Dekker, New York, pp. 1 - 42, 1994.
  3. J. Astola and P. Kuosmanen, "Representation and Optimization of Stack Filters", Lecture notes of the tutorial cource in Proc. of Summer School on Morphological Image and Signal Processing, pp. 1 - 35, Zakopane, Poland, September 1995.
  4. J. Astola and P. Kuosmanen, "Representation and Optimization of Stack Filters", SPIE/IEEE Series on Imaging Science & Engineering, IEEE Press, New York, pp. 237 - 279, 1999.
  5. J. Astola and P. Kuosmanen, "Invariant Signals of Median and Stack Filters", SPIE/IEEE Series on Imaging Science & Engineering, IEEE Press, New York, pp. 281 - 298, 1999.
  6. K. Egiazarian, J. Astola and P. Kuosmanen, "Binary Polynomial Transforms and Logical Correlation", SPIE/IEEE Series on Imaging Science & Engineering, IEEE Press, New York, pp. 299 - 354, 1999.
  7. K. Egiazarian, J. Astola, S. Agaian and R. Öktem, "Applications of Binary Polynomial Transforms", SPIE/IEEE Series on Imaging Science & Engineering, IEEE Press, New York, pp. 355 - 417, 1999.
  8. K. Egiazarian, R.S., Stankovic, J. Astola, & H. Huttunen. "Decision Diagram Representations for Fitness and Average Fitness Functions in Analysis of Genetic Algorithms". In: Mastorakis, N. (ed.) Artificial Intelligence Series, A Series of Reference and Textbooks: Advances in Fuzzy Systems and Evolutionary Computation. s. 290-292, 2001.
  9. S. Peltonen, P. Kuosmanen, K. Egiazarian, M. Gabbouj, and J. Astola, "Analysis and Optimization of Weighted Order Statistic and Stack Filters", in S. K. Mitra and G. L. Sicuranza edited book, Nonlinear Image Processing, Academic Press, San Diego, USA, pp. 1 - 26, 2001.
  10. I. Tabus, C. Mircean, W. Zhang, I. Shmulevich & J. Astola, "Transcriptome-based glioma classification using informative gene set". In: Zhang, W. & Fuller, G. N. (eds.). Genomic and Molecular Neuro-Oncology. Jones and Bartlett Publishers. pp. 205-220, 2004.
  11. I. Tabus, and J. Astola, "Gene feature selection", in E.R. Dougherty, I. Shmulevich, J. Chen. & J. Wang, "Genomic Signal Processing and Statistics", Eurasip Book Series on Signal Processing and Communications, pp. 67-92, 2005.
  12. H. Lähdesmäki, I. Shmulevich, O. Yli-Harja & J. Astola, "Inference of genetic regulatory networks via best-fit extensions", In: Zhang, W. & Shmulevich, I. (eds.). Computational and Statistical Approaches to Genomics 2. ed., pp. 259-278, 2006.
  13. I. Tabus, J. Rissanen & J. Astola, "Nonlinear signal modeling and structure selection with applications to genomics. In: Marshall, S. & Sicuranza, G. L. (eds.). Advances in Nonlinear Signal and Image Processing 6, Hindawi Publishing Corporation. pp. 79-101, 2006.

 

 

Edited Books

  1. E. Dougherty, J. Astola, "Mathematical Nonlinear Image Processing", A Special Issue of the Journal of Mathematical Imaging and Vision, Kluver Academic Publishers, London, pp.272
  2. E. Dougherty, J. Astola, "Nonlinear Filters for Image Processing", SPIE/IEEE Series on Imaging Science & Engineering, IEEE Press, New York, pp. 453, 1999.
  3. G. X. Ritter, M. S. Schmalz, J. Barrera & J. Astola, "Mathematics of Data/Image Pattern Recognition, Compression and Encryption with Applications IX.Proceedings of SPIE. 6315, SPIE., pp. 262, 2006.

 

 

Proceedings

  1. Proceedings; Nonlinear Image Processing III (together with E. Dougherty and C. Boncelet, Jr.), vol 1658, SPIE Bellingham, pp. 365, 1992.
  2. Proceedings; Nonlinear Image Processing IV (together with E. Dougherty and C. Boncelet, Jr.), vol 1902, SPIE Bellingham, pp. 360, 1993.
  3. Proceedings; Nonlinear Image Processing V (together with E. Dougherty and C. Boncelet, Jr.), vol 2180, SPIE Bellingham, pp. 342, 1994.
  4. Proceedings; Nonlinear Image Processing VI (together with E. Dougherty and H. Longbotham), SPIE Bellingham, 1995.
  5. Proceedings; Nonlinear Image Processing VII (together with E. Dougherty and C. Boncelet, Jr.), vol 2662, SPIE Bellingham, pp. 256, 1996.
  6. Proceedings; Nonlinear Image Processing VIII (together with E. Dougherty and H. Longbotham), vol 3026, SPIE Bellingham, 1997.
  7. Proceedings; Nonlinear Image Processing IX (together with E. Dougherty), SPIE Bellingham, 1998.
  8. Proceedings; First International Workshop on Transforms and Filter Banks, Tampere, Finland, February 23 - 25, 1998.
  9. Proceedings; Workshop on Trends and Important Challenges in Signal Processing, Kirkkonummi, Finland, June 15 - 17, 1998.
  10. Proceedings; Nonlinear Image Processing X (together with E. Dougherty), SPIE, San Jose, California, Proceedings of SPIE, 25-26 January, 1999.
  11. Proceedings; Second International Workshop on Transforms and Filter Banks, Brandenburg an der Havel, Germany, March 5-7, 1999.
  12. Proceedings; Nonlinear Image Processing XI (together with E. Dougherty), SPIE, Vol. 3961, San Jose, California, 24 - 25 January, 2000.
  13. Proceedings; Nonlinear Image Processing XII (together with E. Dougherty), SPIE, Vol. 4304, San Jose, USA, 22 - 23 January, 2001.
  14. Proceedings; First International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP'2001, Pula, Croatia, June 16 - 18, 2001
  15. E.R. Dougherty, J.T. Astola & K.O. Egiazarian, Proceedings of SPIE, Image processing: Algorithms and Systems, 21-23 January 2002, San Jose, USA, Vol. 4667. SPIE. 518 s, 2002.
  16. Proceedings; Second International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP'2002, Toulouse, France, September 7 - 8, 2002
  17. E.R. Dougherty, J.T. Astola & K.O. Egiazarian, Proceedings of SPIE, Image processing: Algorithms and Systems III, 2003, 18-22 January, 2004, San Jose, USA, Spie SPIE, 2003.
  18. Proceedings; The 2003 International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP2003, Barcelona, Spain, September 13 - 14, 2003.
  19. E.R. Dougherty, J.T. Astola & K.O. Egiazarian, Proceedings of SPIE, Image processing: Algorithms and Systems III, p. 578, 19-21 January 2004, San Jose, USA, Spie Vol. 5298. SPIE.
  20. Proceedings; The 2004 International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP2004, Vienna, Austria, September 11 - 12, 2004.
  21. Proceedings; E.R. Dougherty, J.T. Astola & K.O. Egiazarian, Proceedings of SPIE and IS&T Electronic Imaging, Image Processing: Algorithms and Systems IV, San Jose, California, USA, 17-18 January 2005.
  22. J.T. Astola, I. Tabus & J. Barrera, Proceedings of SPIE Optics and Photonics 2005: Algorithms, Architectures, and Devices and Mathematical Methods, Mathematical Methods in Pattern and Image Analysis, San Diego, California, USA, 31 July - 4 August 2005.
  23. Proceedings; J. Astola, K. Egiazarian & T. Saramäki, Proceedings of The 2005 International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP 2005, Riga, Latvia, 20-22 June 2005.
  24. J. Astola, K. Egiazarian & T. Saramäki, Proceedings of the 2006 International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP2006, Florence, Italy. TICSP Series 34, pp. 242, 2006.
  25. E. R. Dougherty, J. T. Astola, K. O. Egiazarian, N. M. Nasrabadi & S. A. Rizvi, Image Processing: Algorithms and Systems, Neural Networks, and Machine Learning, Proceedings of SPIE IS&T Electronic Imaging.Proceedings of SPIE. 6064, pp. 544, 2006.

 

 

Patents

  1. D. Gevorkian, S. Agaian, K. Egiazarian, J. Astola and O. Vainio, "Stackfilters", no. 98169, pp. 30, 1997.
  2. N. Ponomarenko, V. Lukin, A. Zelensky, K. Egiazarian, and J. Astola, "Fraktaalikuvien kompressiomenetelmä", FI 113603 B, pp. 33, 2004.

 

 

International Journal Articles

  1. J. Astola, "An Elias-type upper bound for Lee-codes over large alphabets and its application to perfect codes", IEEE Trans. Inform. Theory , vol IT-28, pp. 111-113, January 1982.
  2. J. Astola, "A note on perfect codes over small alphabets", Discrete Applied Mathematics, 4, 1982.
  3. J. Astola, "Concatenated codes for the Lee-metric", IEEE Trans. Inform. Theory , vol IT-28, pp. 778-779, September 1982.
  4. J. Astola, "The Lee-scheme and bounds for Lee-codes" Cybernetics and Systems 13, pp. 331-343, 1982.
  5. J. Astola and A. Kananen, "Signal sets derived from Steiner Systems", IEEE Trans. Inform. Theory , vol IT-29, pp. 171-173, January 1983.
  6. J. Astola, "On the asymptotic behavior of Lee-codes", Discrete Applied Mathematics 8, pp. 13- 23, 1984.
  7. J. Astola, "The Tietäväinen bound for spherical codes", Discrete Applied Mathematics 8, pp. 17- 21, 1984.
  8. J. Astola, "On constructing codes and the Lee-metric", ARS COMBINATORIA vol 20-A, pp. 141- 152, December 1985.
  9. J. Astola, "A note on perfect arithmetic codes", IEEE Trans. Inform. Theory , vol IT-32, pp. 443- 445, May 1986.
  10. J. Astola, "Convolutional codes for phase modulated channels", Cybernetics and Systems 17, pp. 89-101, 1986.
  11. J. Astola, P. Heinonen, and Y. Neuvo, "On Root Structures of Median and Median Type Filters, " IEEE Trans. Acoust., Speech, Signal Processing , Vol. ASSP-35 No. 8, August 1987.
  12. J. Astola, P. Haavisto and Y. Neuvo: "Signal Processing Based on Maximum Likelihood Selection and Linear Filtering", Journal of the Institution of Electronics and Telcommunication Engineering vol. 34, No 5, pp.391-400, 1988.
  13. J. Astola, P. Heinonen, and Y. Neuvo, "Linear Median Hybrid Filters", IEEE Trans. Circuits and Systems vol. CAS-36, pp. 1430-1438, 1989.
  14. J. Astola, and G. Campbell, "On Computation of the Running Median" IEEE Trans. Acoust, Speech, and Signal Processing , April, 1989.
  15. J. Astola and Y. Neuvo, "Optimal Median Type Filters for Exponential Noise Distributions", Signal Processing , vol. 17, pp. 95-104, 1989.
  16. J. Astola, P. Haavisto, and Y. Neuvo, "Vector median Filters", Proc. IEEE , Vol 78 no. 4, April 1990, p. 678-689, 1990.
  17. R. Wichman, J. Astola, P. Heinonen and Y. Neuvo, "FIR-Median Hybrid Filters with Excellent Transient Response in Noisy Conditions", IEEE Trans. Acoust., Speech, and Signal Processing , Vol-ASSP 38, No. 12, December 1990.
  18. O.Yli-Harja, J. Astola, and Y. Neuvo, "Analysis of the Properties of Median and Weighted Median Filters Using Threshold Logic and Stack Decomposition", IEEE Trans. Signal Processing , Vol. SP-39, pp. 395-410, February 1991.
  19. J. Astola and Y. Neuvo, "Matched median filtering" IEEE Trans. Communications, Vol. 40, No. 4, pp. 722-729, April 1992.
  20. J. Astola and Y. Neuvo, "Preface," Special Issue on median and morphological filtering of Circuits, Systems and Signal Processing, vol 11, No 1, 1992, edited by J. Astola and Y. Neuvo., 1992.
  21. L. Koskinen and J. Astola, "Asymptotic Behaviour of Morphological Filters," Journal of Mathematical Imaging and Vision 2, 117-135, 1992.
  22. L. Yin, J. Astola and Y. Neuvo, "Adaptive stack filtering with applications to image processing", IEEE Transactions on Signal Processing, vol. 41, No 1, pp. 162-184, January 1993.
  23. L. Yin, J. Astola, Y. Neuvo, "A new class of nonlinear filters - neural filters", IEEE Transactions on Signal Processing, Vol. 41, No. 3, pp. 1201 - 1222, March 1993.
  24. L. Yin, J. Astola and Y. Neuvo, "Adaptive multistage weighted order statistic filters based on the backpropagation algorithm", IEEE Trans. Signal Processing, vol. 42, no. 2, pp. 419 - 422, February 1994.
  25. K. Kalliojärvi and J. Astola, "Required Coefficient Word Length in Floating-Point and Logarithmic Digital Filters", IEEE Signal Processing Letters, vol. 1, no. 3, pp. 52 - 54, March 1994.
  26. J. Astola and Y. Neuvo, "An efficient tool for analyzing weighted median and stack filters", IEEE Trans. Circuits and Systems vol 41, No 7, pp. 487-489, 1994.
  27. K. Tang, J. Astola and Y. Neuvo, "Multichannel edge enhancement in color image processing", IEEE Transaction on Circuits and Systems for Video Technology, vol. 4, no. 5, pp. 468 - 479, October 1994.
  28. P. Kuosmanen, J. Astola and S. Agaian, "On Rank Selection Probabilities", IEEE Transactions on Signal Processing, Vol. 42, No. 11, pp. 3255-3258, November 1994.
  29. S. Agaian, J. Astola, K. Egiazarian and P. Kuosmanen, "Decompositional Methods for Stack Filtering using Fibonacci p-Codes", Signal Processing, Vol. 41, No.1, January 1995.
  30. Q. Liu, J. Astola and Y. Neuvo, "Matched Median Filter for Detecting QAM Signals, IEEE Trans. Communications, Vol 43, No1, pp. 7-10, January 1995.
  31. D. Gevorkian, K. Egiazarian, S. Agaian, J. Astola, and O. Vainio, "Parallel Algorithms and VLSI Architectures for Stack Filtering using Fibonacci p-Codes", IEEE Transactions on Signal Processing, vol. 43, no. 1, pp. 286 - 295, January 1995.
  32. P. Kuosmanen and J. Astola, "Optimal Stack Filtering under Rank Selection and Structural Constraints", Signal Processing, vol. 41, no. 3, pp. 309 - 338, February 1995.
  33. R. Yang, L. Yin, M. Gabbouj, J. Astola, and Y, Neuvo, "Optimal weighted median filters under structural constraints", IEEE Trans. Signal Processing , vol SP-43, No 3 pp. 591-604, March 1995.
  34. D. Akopian, O. Vainio, S. Agaian and J. Astola, "Processors for Generalized Stack Filters", IEEE Transactions on Signal Processing, vol. 43, no. 6, pp. 1541 - 1546, June 1995.
  35. K. Tang, J. Astola and Y. Neuvo, "Nonlinear Multivariate Image Filtering Techniques", IEEE Transactions on Image Processing, vol. 4, no. 6, pp. 788 - 798, June 1995.
  36. P. Kuosmanen and J. Astola, "Soft Morphological Filtering", Journal of Mathematical Imaging and Vision, vol. 5, no. 3, pp. 231 - 262, September 1995.
  37. K. Egiazarian, J. Astola and S. Agaian, "Spectral Approach to Logical Distribution-Free Classification Problem", IEEE , pp. 2265 - 2268, 1995.
  38. P. Kuosmanen, P. Koivisto, H. Huttunen and J. Astola, "Shape Preservation Criteria and Optimal Soft Morphological Filtering", Journal of Mathematical Imaging and Vision, 1995.
  39. K. Egiazarian, O. Vainio and J. Astola, "Implementation of Cascaded and Recursive Stack Filters", Circuits Systems Signal Process, vol. 15, no. 1, pp. 93 - 110, 1996.
  40. P. Kuosmanen and J. Astola, "Breakdown Points, Breakdown Probabilities, Midpoint Sensitivity Curves, and Optimization of Stack Filters", Circuits, Systems and Signal Processing, vol. 15, no. 2, pp. 165 - 211, February 1996.
  41. P. Kuosmanen, K. Egiazarian, J. Astola and S. Agaian, "Boolean Derivatives, Weighted Chow Parameters and Selection Probabilities of Stack Filters", IEEE Transactions on Signal Processing, vol. 44, no. 7, pp. 1634 - 1641, July 1996.
  42. K. Kalliojärvi and J. Astola, "Roundoff Errors in Block-Floating-Point Systems", IEEE Transactions on Signal Processing, vol. 44, no. 4, pp. 783 - 790, 1996.
  43. J. Astola and J. Barrera, "Special section guest editorial", Journal of Electronic Imaging, vol. 5, no. 3, pp. 250 - 251, 1996.
  44. S. Atourian, D. Gevorkian, K. Egiazarian and J. Astola, "Efficient nonlinear transform methods for image processing", Journal of Electronic Imaging, vol. 5, no. 3, pp. 323 - 334, 1996.
  45. V. Lukin, V. Melnik, A. Progrebniak, A. Zelesky, J. Astola and K. Saarinen, "Digital adaptive robust algorithms for radal image filtering", Journal of Electronic Imaging, vol. 5, no.3, 1996.
  46. V. Melnik, V. Lukin, A. Zelensky, H. Huttunen and J. Astola, "Nonlinear locally adaptive and iterative algorithms of image restoration", Journal of Electronic Imaging, Vol. 6, no. 4, pp. 439- 452, 1997.
  47. J. Astola, D. Akopian, O. Vainio and S. Agaian, "New Digit-Serial Implementations of Stack Filters", Signal Processing, vol. 61, pp. 181-197, 1997.
  48. D. Akopian, O. Vainio, S. Agaian, and J. Astola, "SBNR processor for stack filters," IEEE Trans. Circuits and Systems II, vol. 44, pp. 197-208, Mar. 1997
  49. T. Jarske and J. Astola, "Nonlinear Operators for Error Diffusion", to appear in Journal of Electronic Imaging, 1997.
  50. K. Egiazarian and J. Astola, "On Generalized Fibonacci Cubes and Unitary Transforms", Applicable Algebra in Engineering, Communication and Computing, vol. 8, no 5, pp. 371 - 377, 1997
  51. D. Gevorkian, J. Astola and S. Atourian, "Improving Gil-Werman Algorithm for Running Min and Max Filters", IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 19, no. 5, pp. 526-529, 1997
  52. M. Helsingius, P. Kuosmanen and J. Astola, "Nonlinear Filters Using Quantum-dot Cells", Electronic Letters, vol. 33, no. 20, pp. 1735-1736, 1997
  53. P. Kuosmanen and J. Astola, "Different Ideas Lead to theSame Result - Is Everything OK?", Electronic Imaging, pp. 4, September 1997
  54. S. Alenius, U. Ruotsalainen, J. Astola: "Using local median as the location of the prior distribution in iterative emission tomography image reconstruction", IEEE Transactions on Nuclear Science, selected papers from the 1997 IEEE Medical Imaging Conference, vol. 45, no. 6(2), pp. 3097-3107, Dec. 1998
  55. S.M. Atourian, K.O. Egiazarian, D.Z. Gevorkian, J. Astola, "Combining the Discrete Wavelet Transforms and Rank-Order Based Filters for Image Restoration". Optical Engineering, vol 37, no 1, pp. 189-201, 1998.
  56. R. Niemistö, I. Tabus, and J. Astola, "A Fast Algorithm for Adaptive Polynomial Filtering". Signal Processing, no 70, pp. 147-151, 1998.
  57. O. V. Sarca, E. R. Dougherty, and J. Astola, "Secondarily constrained Boolean filters", Signal Processing 71, pp. 247 - 263, 1998.
  58. I. Shmulevich, O. Yli-Harja, K. Egiazarian, and J. Astola, "Output Distributions of Recursive Stack Filters", IEEE Signal Processing Letters, vol. 6, no. 7, pp. 175-178, 1997.
  59. S. Alenius, U. Ruotsalainen, J. Astola, "Attenuation Correction for PET Using Count-Limited Transmission Images Reconstructed with Median Root Prior", IEEE Transactions on Nuclear Science, vol. 46, no. 3, pp. 646-651, 1997.
  60. J. Astola, and D. Akopian, "Architecture-Oriented Regular Algorithms for Sine and Cosine Transforms," IEEE Trans. Signal Processing, vol. 47, no. 4, April 1999
  61. O. V. Sarca, E.R. Dougherty, and J. Astola, "Two-stage Binary Filters", Journal of Electronic Imaging, vol. 8, no. 3, pp. 219 - 232, July 1999
  62. K. Egiazarian, J. Astola, M. Helsingius, and P. Kuosmanen, "Adaptive Denoising and Lossy Compression of Images in Transform Domain", Journal of Electronic Imaging, vol. 8, no. 3, pp. 233 - 245, July 1999
  63. L. Ökten, and J. Astola, "Hierarchical Enumerative Coding of Locally Stationary Binary Data", Electronics Letters, An Internatinal Publication, vol. 35, no. 17, pp. 1428 - 1329, August 1999
  64. L. Öktem, and J. Astola, "Hierarchical Enumerative Coding of Firstorder Markovian Binary Sources", Electronics Letters, An International Publication, vol. 35, no. 23, pp. 2003 - 2005, November 1999
  65. C.D. Giurcaneanu, I. Tabus, and J. Astola, "Adaptive context-based sequential prediction for lossless audio compression", Signal Processing 80, pp. 2283 - 2294, December 1999.
  66. M. Helsingius, P. Kuosmanen, and J. Astola, "Image compression using multiple transforms", Signal Processing: Image Communication 15, pp. 513-529, 2000.
  67. A. Vagharshakyan and J. Astola, "On Hidden Periodicities", Circuits, Systems, and Signal Processing, vol. 19, no. 1, pp. 27 - 42, 2000.
  68. I. Shmulevich, K. Egiazarian, O. Yli-Harja and J. Astola: "Output Distributions of Stack Filters Using Ordered Binary Decision Diagrams", Journal of Signal Processing, vol. 4, no. 2, pp. 195 - 200, March 2000.
  69. J. Takala, D. Akopian, J. Astola, and J. Saarinen, "Constant Geometry Algorithm for Discrete Cosine Transform", IEEE Transactions on Signal Processing, vol. 48, no. 6, pp. 1840 - 1843, June 2000
  70. V.G. Labunets, A.V. Maidan, J. Astola, and K. Egiazarian, "Quazi-optimal Zernike Feature Selection", Image Processing & Communications, vol. 7, no. 1 - 2, pp. 31 - 40, 2001
  71. V. Melnik, I. Schmulevich, K. Egiazarian, & J. Astola, "Block-Median Pyramidal Transform: Analysis and Denoising Applications", IEEE Transaction on Signal Processing, vol. 49, no. 2, pp. 364-372, 2001.
  72. I. Shmulevich, M. Gabbouj, and J. Astola, "Complexity of the Consistency Problem for Certain Post Classess", IEEE Transactions on Systems, Man, and Cybernetics, Part B; Cybernetics, vol. 31, no. 2, pp. 251 - 253, April 2001
  73. I. Shmulevich, A.D. Korshunov, and J. Astola, "Almost All Monotone Boolean Functions are Polynomially Learnable using Membership Queries", Elsevier, Information Processing Letters 79, pp. 211 - 213, 2001.
  74. R.S. Stankovic, C. Moraga, and J. Astola, "From Fourier Expansions to Arithmetic-Haar Expressions on Quaternion Groups", Applicable in Algebra in Engineering, Communication and Computing", vol. 12, no. 3, pp. 227 - 253, July 2001.
  75. I. Tabus, C. Popeea, and J. Astola, "A Design Procedure for Optimal Energy Compaction IIR Filters", IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing, vol. 48, no. 7, pp. 740 - 744, July 2001
  76. V.P. Melnik, V.V. Lukin, A.A. Zelensky, J.T. Astola, and P. Kuosmanen, "Local Activity Indicators for Hard-Switching Adaptive Filtering of Images with Mixed Noise", Optical Engineering, vol. 40, no. 8, pp. 1441 - 1455, August 2001.
  77. S. Peltonen, P. Kuosmanen, and J. Astola, "Output Distributional Influence Function", IEEE Transactions on Signal Processing, Vol. 49, No. 9, pp. 1953 - 1960, September 2001.
  78. I. Tabus & J. Astola, "On the Use of MDL Principle in Gene Expression Prediction", Applied Signal Processing, pp. 297 - 303, vol. 2001, no. 4, December 2001.
  79. R.S. Stankovic, J. Astola, M. Stankovic, and K. Egiazarian, "Circuit Synthesis from Fibonacci Decision Diagrams", VLSI Design, International Journal of Custom-Chip Design, Simulation, and Testing, Vo. 14, No. 1, pp. 23 - 24, February 2002.
  80. E. Rundblad-Labunets, V. Labunets, J. Astola, and K. Egiazarian, "Fast Algorithms of Multidimensional Discrete Nonseparate K-Wave Transform", IEEE Transactions on Signal Processing, Vol. 50, No. 6, pp. 1496 - 1507, June 2002.
  81. I. Shmulevich, O. Yli-Harja, J. Astola, and A. Korshunov, "On the Robustness of the Class of Stack Filters", IEEE Transactions on Signal Processing, Vol. 50, No. 7, pp. 1640 - 1649, July 2002.
  82. R. Iordache, I. Tabus, and J. Astola, "Robust Index Assignment using Hadamard Transform for Vector Quantization Transmission over Finite-Memory Contagion Channels", Circuits, Systems, and Signal Processing 21, 5, pp. 485-509, 2002.
  83. V. Katkovnik, K. Egiazarian & J. Astola, "Adaptive window size image de-noising based on intersection of confidence intervals (ISI) rule", Journal of Mathematical Imaging and Vision 16, Kluwer Academic Publishers. pp. 223-235, 2002.
  84. A.V. Totsky, J. Astola, K. Egiazarian, A.V. Zelensky, I.V. Kurbatov & V.V. Lukin, "Signal Reconstruction by Bispectrum Estimations for Gaussian and Non-gaussian Noise Enviroment", Foreign Radioelectronics. Successes of Modern Radioelectronics. 11, pp. 44-58, 2002.
  85. R. Öktem, L. Yaroslavsky, K. Egiazarian, & J. Astola, "Transform domain approaches for image denoising", Journal of Electronic Imaging, Vol. 11, No. 2, s. 149-156, 2002.
  86. J. Astola, E. Dougherty, I. Shmulevich, and I. Tabus, "Genomic signal processing", Signal Processing 83, Elsevier 4, 2003, pp. 691 - 694, 2003.
  87. D. Akopian, J. Takala, J. Saarinen & J. Astola, "Multistage Interconnection Networks for Parallel Viterbi Decoders", IEEE Transactions on Communications 51, 9, pp. 1536-1545, 2003.
  88. S. Hautaniemi, O. Yli-Harja, J. Astola, P. Kauraniemi, A. Kallioniemi, M. Wolf, J. Ruiz, S. Mousses & O-P. Kallioniemi, "Analysis and Visualization of Gene Expression Microarray Data in Human Cancer using Self-organizing Maps", Machine Learning 52, Kluwer Academic Publishers. 1-2, pp. 45-66, 2003.
  89. P. Koivisto, J. Astola, V. Lukin, V. Melnik, and O. Tsymbal, "Removing Impulse Bursts from Images by Training-Based Filtering", EURASIP Journal on Applied Signal Processing 2003, No. 3, pp. 223 - 237, March 2003.
  90. I. Shmulevich, J. Astola, D. Cogdell, S.R. Hamilton, and W. Zhang, "Data extraction from composite oligonucleotide microarrays", Nucleic Acids Research, 2003, Vol. 31, No. 7 e36, 2003.
  91. R. Stankovic, and J. Astola, "Design of Decision Deagrams with Increased Functionality of Nodes through Group Theory", IEICE Transactions of Fundamentals, Vol. E86-A, No. 3, pp. 693 - 703, March 2003.
  92. I. Tabus, J. Rissanen, and J. Astola, "Classification and feature gene selection using the normalized maximum likelihood model for discrete regression", Signal Processing 83, 2003, pp. 713 - 727, 2003.
  93. M.G. Karpovsky, R.S. Stankovic, and J.T. Astola, "Reduction of Sizes of Decision Diagrams by Autocorrelation Functions", IEEE Transactions on Computers, Vol. 52, No. 5, pp. 592 - 606, May 2003.
  94. V. Katkovnik, K., Egiazarian, & J. Astola, "Application of the ICI principle to window size adaptive median filtering". Signal Processing 83, Elsevier Science BV. 2, s. 251-257, 2003.
  95. M. Ponomarenko, K. Egiazarian, V. Lukin & J. Astola, "Compression of Image Block Means for Non-equal Block Partition Schemes using Delaunay Triangulation and Prediction", IEEE Proceedings - Vision, Image and Signal Processing 150, 4, pp. 239-243, 2003.
  96. B. Ryabko, J. Astola, and K. Egiazarian, "Fast Codes for Large Alphabets", Communications in Information and Systems, Vol. 3, No. 2, pp. 139 - 152, October 2003.
  97. I. Shmulevich, H. Lähdesmäki, E.R. Dougherty, J. Astola & W. Zhang, "The Role of Certain Post Classes in Boolean Network Models of Genetic Networks", Proceedings of the National Academy of Sciences of the United States 100, 19, pp. 10734-10739, 2003.
  98. M. Stankovic, R.S. Stankovic, J. Astola, and K. Egiazarian, "Fibonacci Spectral Transforms: Calculation, Algorithns and Circuit Realization", Systems Analysis Modelling Simulaton, Vol. 43, No. 11, pp. 1463 - 1501, November 2003.
  99. A. A. Zelenskii, V. V. Lukin, A. A. Kurekin & J. Astola, "Two-stage multichannel radar image processing with application of vector sigma filter". Zarubezhnaya Radioelectronika Uspekhi Sovremennoi Elektroniki 11, pp. 55-63, 2003.
  100. S. Agaian, H. Sarukhanyan, and J. Astola, "Skew Williamson-Hadamard Transforms", Journal of Multiple-Valued Logic and Soft Computing, Vol. 10, No. 2, pp. 173-187, 2004.
  101. J.T. Astola, K. Egiazarian, M. Stankovic & R.S. Stankovic, "Fibonacci arithmetic expressions". Automated and Remote Control 65, 6, pp. 842 - 856, 2004.
  102. J. Astola, K. Egiazarian, M. Stankovic, and R. Stankovic, "Arithmetic Fibonacci Expressions", Journal of Automation & Telemechanics, Russian Academy of Science, No. 6, pp. 4-21, 2004.
  103. J.T. Astola, K.O. Egiazarian, I.V. Kurbatov, A.V., Totsky, and A.A. Zelensky, "Biospectrum based image reconstruction technique for jitter removal in additive Gaussian noise environment", Foreign Radioelectronics. Success for Modern Radioelectronics 2004, No. 7, pp. 58-66, 2004.
  104. C.D. Giurcaneanu, I. Tabus, J. Astola, J. Ollila, and M. Vihinen, "Fast iterative gene clustering based on information theoretic criteria for selecting the cluster structure", Journal of Computational Biology 2004, Vol. 11, No. 4, pp. 660-682, 2004.
  105. S. Hautaniemi, M. Ringner, P. Kauraniemi, R. Autio, H. Edgren, O. Yli-Harja, J. Astola, A. Kallioniemi, and.O-P. Kallioniemi, "Astrategy for identifying putative causes of gene expression variation inhuman cancers". Journal of The Franklin Institute 341, 1-2, pp. 77-88, 2004.
  106. P. Kauraniemi, S. Hautaniemi, R. Autio, J. Astola, O. Monni, A. Elkahloun, and A. Kallioniemi, "Effects of Herceptin treatment onglobal gene expression patterns in HER2-amplified and nonamplified breastcancer cell lines". Oncogene 23, 4, pp. 1010-1013, 2004.
  107. V.V. Lukin, N.N. Ponomarenko, S.K. Abramov, A.A. Zelensky, K.O. Egiazarian, and J.T. Astola, "Automatic robust procedure for radar image preliminary analysis and filtering", Telecommunications and Radio Engineering 2004, Vol. 58, No. 5-6, pp. 66-87, 2004.
  108. D. Nicorici and J. Astola, "Segmentation of DNA into coding and noncoding regions based on recursive entropic segmentation and stop-codon statistics". Eurasip Journal on Applied Signal Processing 2004, 1, pp. 81-91, 2004.
  109. C. Rusu & J. Astola, "A note on argument principle". IEEE Signal Processing Letters 11, 10, pp. 817-820, 2004.
  110. R.S. Stankovic, C. Moraga & J. Astola, "Reed-Muller expressions in the previous decade. Journal of Multiple-Valued Logic and Soft Computing", Special Issue Spectral Techniques in Digital Logic 10, 1, pp. 5-28, 2004.
  111. M. Stankovic, R.S. Stankovic, J. Astola, and K. Egiazarian, "Fibonacci spectral transforms: calculation, algorithms and circuit realizations", Systems Analysis Modelling Simulation 2004, Vol. 43, No. 11, pp. 1463-1501, 2004.
  112. M. Stankovic, S. Stojkovic, J. Astola & K. Egiazarian, "Calculation of selection probabilities of stack filters through BDD", Facta Universitatis (NIS), Series: Electronics and Energetics, Vol. 173, pp. 421-442, 2004.
  113. A.V. Totsky, J.T. Astola, K.O. Egiazarian, I.V. Kurbatov, and A.A. Zelensky, "Image reconstruction using the bispectrum and tapering pre-distortions of image rows", Foreign Radioelectronics. Success for Modern Radioelectronics 2004, No. 7, pp. 51-57, 2004.
  114. A.V. Totsky, A. V., Popov, I.V. Kurbatov, V.V. Lukin, J.T. Astola, and K.O. Egiazarian, "Radar range-polarization profile estimation using bispectrum-based reconstruction of naval object shape", Foreign Radioelectronics. Success for Modern Radioelectronics 2004, No. 7, pp. 40-50, 2004.
  115. A.A. Zelenskii, V.V. Lukin, A.A. Kurekin, and J.T. Astola, "Two-stage multichannel radar image processing with application of vector sigma filter", Zarubezhnaya Radioelectronika Uspekhi Sovremennoi Elektroniki 2004, No. 11, pp. 55-63, 2004.
  116. D. Arango, P. Laiho, A. Kokko, P. Alhopuro, H. Sammalkorpi, R. Salovaara, D. Nicorici, S. Hautaniemi, H. Alazzouzi, J-P. Mecklin, H. Järvinen, A. Hemminki, J. Astola, S. Schwartz Jr. & L.A. Aaltonen, "Gene-expression profiling predicts recurrence in Dukes' C colorectal cancer", Gastroenterology, 2004, Vol. 129, No. 3, pp. 874 - 884, 2004.
  117. D. Akopian & J. Astola, "An optimal nonlinear extension of linear filters based on distributed arithmetic", IEEE Transactions on Image Processing Vol. 14, No. 5, pp. 616-623, 2005.
  118. J.A. Berger, S. Hautaniemi, A-K. Järvinen, H. Edgren, S.K. Mitra & J. Astola, "Optimized LOWESS normalization parameter selection for DNA microarray data", BMC Bioinformatics 513 p. 2004.
  119. C. D. Giurcaneanu, I. Tabus. & J. Astola, "Clustering time series gene expression data based on sum-of-exponentials fitting", EURASIP Journal on applied Signal Processing, Vol. 2005, No. 8, pp. 1159-1173, 2005.
  120. V. Katkovnik, K. Egiazarian & J. Astola, "A spatially adaptive nonparametric regression image deblurring", IEEE Transactions on Image Processing, Vol. 14, No. 10, pp. 1469-1478, 2005.
  121. N. Ponomarenko, V. Lukin, K. Egiazarian & J. Astola, "DCT based high quality image compression", Lecture notes in computer science, 3540 pp. 1177-1185, 2005.
  122. N. Ponomarenko, V. Lukin, M. Zriakhov, K. Egiazarian & J. Astola, "Lossy compression of images with additive noise", Lecture notes in computer science, 3708 pp. 381-386, 2005.
  123. H. Sarukhanyan, S. Agaian, J. Astola & K. Egiazarian, "Decomposition of binary matrices and fast Hadamard transforms", Circuits, Systems, and Signal Processing, Vol. 24, No. 4, pp. 385-400, 2005.
  124. A. V. Totsky, I. V. Kurbatov, G. I. Khlopov, S. I. Khomenko, V. Y. Morozov, J. T. Astola & K. O. Egiazarian, "Extraction of instantaneous frequencies from time-varying bispectrum estimates of coherent radar echo responses from moving objects", Telecommunications and Radio Engineering 64, Begell House Inc.. 11, pp. 889-900, 2005.
  125. K. Tunyan, K. Egiazarian, A. Tuniev. & J. Astola, "An efficient approach to the linear least squares problem", SIAM Journal on Matrix Analysis and Applications, Vol. 26, No. 2, pp. 583-598, 2005.
  126. O.V. Tsymbal, V.V. , N.N. Ponomarenko, A.A. Zelensky, K.O. Egiazarian & J.T. Astola, "Three-state locally adaptive texture preserving filter for radar and optical image processing". EURASIP Journal on Applied Signal Processing, Vol. 2005, No. 8, pp. 1185-1204, 2005.
  127. I. Aizenberg & J. Astola, "Discrete generalized Fresnel functions and transforms in an arbitrary discrete basis", IEEE Transactions on Signal Processing 54, 11, pp. 4261-4270, 2006.
  128. J. A. Berger, S. Hautaniemi, S. K. Mitra & J. Astola, "Jointly analyzing gene expression and copy number data in breast cancer using data reduction models". IEEE/ACM Transactions on Computational Biology and Bioinformatics Vol. 3, No. 1, pp. 2-16, 2006.
  129. E.R. Dougherty, J. Astola, J. Goutsias & I. Shmulevich, "Guest editorial genomic signal processing", IEEE Transactions on Signal Processing, Vol. 54, No. 6, Part 2, pp. 2373-2374, 2006.
  130. A.P. Klapuri, A.J. Eronen & J. Astola, "Analysis of the meter of acoustic musical signals", IEEE Transactions on Audio, Speech and Language Processing, Vol. 14, No. 1, pp. 342-355, 2006.
  131. D. Nicorici, O. Yli-Harja, & J. Astola, "Finding large domains of similarity expressed genes", IEEE Engineering in Medicine and Biology Magazine, Vol. 25, No. 1, pp. 82-89, 2006.
  132. J.A. Nikara, J.H. Takala & J.T. Astola, "Discrete cosine and sine transforms - regular algorithms and pipeline architectures". Signal Processing, Vol. 86, No. 2, pp. 230-249, 2006.
  133. I. Tabus, A. Hategan, C. Mircean, J. Rissanen, I. Shmulevich, W. Zhang & J. Astola, "Nonlinear modeling of protein expressions in protein arrays", IEEE Transactions on Signal Processing, Vol. 54, No. 6, Part 2, pp. 2394-2407, 2006.
  134. A. Totsky, D. Fevralev, V. , V. Katkovnik, D. Paliy, K. Egiazarian, O. Pogrebnyak, and J. Astola, "Performance Study of Adaptive Filtering in Signal Reconstruction", Circuits, Systems, and Signal Processing, Vol. 25, No. 3, pp. 315-342, 2006.

 

 

International Conference Articles

  1. J. Astola, "On bounds for Lee codes", Eight British Combinatorial Conference, Swansea, July 20- 24, 1981, Abstract.
  2. J. Astola, "On concatenated codes for the Lee-metric nd their asymptotic properties", Abstracts, IEEE Int. Symp. Information Theory, ISIT-82, pp. 54-55, Les Arcs, June 1982.
  3. J. Astola, "On the existence of certain perfect AN-codes", Nordisk Symposium i Kombinatorik II, Hasselby Slott, Stockholm, May 1984, Abstract.
  4. P. Heinonen, J. Astola, and Y. Neuvo, "Median Type Filters with Linear Substructures", Proc IEEE ISCAS 86, San Jose, California, pp. 174-177, May 1986.
  5. J. Astola, P. Heinonen and Y. Neuvo, "On the Oscillatory Roots of One and Two Dimensional Median Type Filters", Proc. IEEE ICASSP86, Tokyo, Japan, 1986.
  6. J. Astola, P. Heinonen, Y. Neuvo, and O. Yli-Harja, "Gradient median filter", Proc. IEEE ISCAS 87, Philadelphia, 4-7 May, 1987.
  7. O. Yli-Harja, J. Astola, P. Heinonen and Y. Neuvo," Performance of Edge Preserving Median Type Filters in Noisy Conditions" Proc. IAESTED Int. Symp. Appl. Control, Filt., Signal Proc., Geneva, Switzerland, pp. 68-72, June 1987.
  8. J. Astola, O. Yli-Harja, P. Heinonen, and Y. Neuvo, "Class of Edge Preserving Median Type Filters Using Logical Operations on Linear Substructures", Proc. Eur. Conf. Circ. Theor. Design ECCTD-87, Paris, France, pp. 609-614, September 1987.
  9. J. Astola and O. Yli-Harja, "Bimodal approximation of the standard median filter", Proc. International Conference on Digital Signal Processing, Florence, Italy, 7-10, pp. 164-168. September 1988.
  10. O. Yli-Harja, J. Astola and Y. Neuvo, "Generalization of the Radix-Method of Finding the Median to Order Statistic, Weighted Median and Weighted Order Statistic Filters", SPIE Symp., Visual Comm., Image Proc. III, Nov. 1988.
  11. O. Yli-Harja, J. Astola and Y. Neuvo, "A Response-Based Design Method for Weighted Median Filters", Abstracts, IEEE Int. Symp. Information Theory, ISIT-88, p. 192, Kobe, Japan, June 1988.
  12. J. Astola, P. Haavisto and Y. Neuvo, "Detail Preserving Image Processing Algorithms", Symposium Digest of Seventh International Symposium on Electronics and Information Sciences, 10 pages, 1988.
  13. J. Astola, P. Haavisto, P. Heinonen, and Y. Neuvo, "Median Type Filters for Color Signals", Proc. IEEE ISCAS-88, pp. 1753-1756 , Espoo, Finland, June 1988.
  14. J. Astola, P. Haavisto, and Y. Neuvo, "Detail Preserving Monochrome and Color Image Enhancement Algorithms", Proceedings of COST 13 Workshop, Chateau de Bonas, Castera- Verduzan, France, August 1988.
  15. O. Yli-Harja, J. Astola, and Y. Neuvo, "Filters based on minimization of an error criterion", 6th Scand. Conf. Image Anal. 6SCIA, Oulu, Finland, June 1989.
  16. K. Öistamö, P. Jarske, J. Astola and Y. Neuvo, "Vector Median Filter for Complex Signals," Proc. ICASSP-89, pp. 813-816, Glasgow, June 1989.
  17. R. Wichman, J. Astola, and Y. Neuvo, "The in-place growing median concept for filtering signals with noisy edges," Proc. ICASSP-89, pp. 1235-1238, Glasgow, June 1989.
  18. R. Wichman, J. Astola and Y. Neuvo, "Analysis of median type detail preserving filters", Proc. IEEE ICSE-89, Fairborn, Ohio, August 1989.
  19. O. Yli-Harja, J. Astola and Y. Neuvo, "Statistical properties of median, weighted median and stack filters", Proc. ECCTD-89, Brighton, UK, September 1989.
  20. J. Astola, L. Koskinen, O. Yli-Harja, and Y. Neuvo, "Digital filters based on threshold decomposition and Boolean functions," SPIE Symp., Visual Comm., Image Proc. IV, pp. 461-470 November, 1989.
  21. L. Yin, J. Astola, and Y. Neuvo, "Application of Median Operation in Robust Estimation of AR Model," Proc. ICASSP-90, Albuquerque, April, 1990.
  22. J. Astola, and Y. Neuvo, "A Median Type Matched Filter," Proc. ICASSP-90, Albuquerque, April, 1990.
  23. L. Koskinen, J. Astola, and Y. Neuvo, "Statistical Properties of Discrete Morphological Filters, Proc. IEEE ISCAS-90, 1990.
  24. L.Yin, J. Astola, and Y. Neuvo, "Adaptive weighted order statistical filters using backpropacation algorithm", Proc. IEEE ISCAS-90, 1990.
  25. L. Yin, J. Astola, and Y. Neuvo, "Adaptive Weighted Order Statistic Filters,'' Int. Workshop on Algorithms and Parallel VLSI Architectures, Part. B, Pont-a-Mousson, France, June 10-16, pp. 327-332, 1990.
  26. J. Astola and Y. Neuvo, "Optimal Median Filters for Communications Applications", IIIrd GENERAL ASSEMBLY of the URSI, Prague, Czechoslovakia, 28 August - 5 September 1990, Invited paper.
  27. J. Astola and Y. Neuvo, "Extended Matched Median Filter for PAM Signals Corrupted by Impulsive Noise," Fourth Digital Signal Processing Workshop, Mohonk Mountain House, New Plaz, NY. (Abstract), September 16-19, 1990.
  28. L. Koskinen and J. Astola, "Morphological filtering of noisy images," Proc. SPIE Symp., Visual Comm., Image Proc. V, 90, Lausanne, pp. 155-165, 1-4 October 1990.
  29. L. Yin, J. Astola and Y. Neuvo, "Robust predictive deconvolution using median type filters", Proc. EUSIPCO 90, pp. 805-808.
  30. L. Yin, J. Astola and Y. Neuvo, "A new robust adaptive deconvolution method", Proc. International Conference of Signal Processing '90/Beijing, Beijing, China, October 22-26, pp. 809-812, 1990.
  31. J. Astola and Y. Neuvo, "Nonlinear Median Based Receiver for QAM Signals" Proc. GLOBECOM'90, San Diego, California, December 2-5, 1990.
  32. L. Koskinen, J. Astola, and Y. Neuvo, "Analysis of noise attenuation in morphological image processing", Proc. SPIE/SPE's Electronic Imaging Science & Technology, 24 February - 1 March 1991, San Jose California, USA.
  33. L. Yin, J. Astola, and Y. Neuvo, "Adaptive multistage weighted-order statistics filters for image restoration", Proc. SPIE/SPE's Electronic Imaging Science & Technology, 24 February- 1 March 1991, San Jose California, USA.
  34. L.Yin, J. Astola, and Y. Neuvo, "Optimal wighted order statistic filters under the mean absolute error criterion", Proc. ICASSP-91, May 14-17, Toronto , Canada, pp. 2529-2532, 1991.
  35. L.Yin, J. Astola, and Y.Neuvo, Median type filters and perceptrons," Proc. IEEE ISCAS-91, Singapore, June 11-14, pp. 81-84, 1991.
  36. Q. Liu, J. Astola, Y. Neuvo, "Matched median filters as detectors for QAM Signals, Proc. IEEE ISCAS-91, Singapore, June 11-14, pp. 97-100, 1991.
  37. L. Yin, J. Astola, and Y. Neuvo, "Adaptive weighted median filtering under mean absolute error criterion", 1991 IEEE Int. Workshop on visual signal processing and communications, Hsingchu, Taiwan, pp. 184-187, June 6-7 1991.
  38. L. Yin, J. Astola, and Y. Neuvo, "Adaptive Boolean filters for noise reduction", ICANN'91, Int Conference on Artifical Neural Networks, Helsinki, June 24-28, 1991.
  39. Q. Liu, J. Astola, and Y. Neuvo, "An Improved Kronecker Ll-filtering Algorithm," IEEE Int. Conference on Systems Engineering, Dayton, Ohio, pp. 154-157, August 1-3, 1991.
  40. Q. Liu, L. Yin, J. Astola and Y. Neuvo, "A new adaptive Kronecker Ll-filtering algorithm with applications to image processing", Proc. of the International Conference on Digital Signal Processing, Florence, Italy, pp. 305-310, September 4-6, 1991.
  41. L. Yin, J. Astola and Y. Neuvo, "Adaptive neural filters", First IEEE-SP Workshop on Neural Networks for Signal Processing, Nassau Inn, Princeton, New Jersey, USA, pp. 503-512, Sept 29- Oct 2, 1991.
  42. L. Yin, J. Astola and Y. Neuvo, "Optimal Generalized Weighted Order Statistic Filters", Visual Communications and Image Processing'91, Boston Massachusetts, November 11-13 1991.
  43. L. Yin, J. Astola and Y. Neuvo, "Adaptive generalized stack filtering under the mean-absolute- error criterion," Proc. IS&T/SPIE International Symposium on Electronic Imaging: Science and Technology, Nonlinear Image Processing III, San Jose, California, pp. 2-12, 12-13 February, 1992.
  44. L. Koskinen and J. Astola, "Statistical properties of soft morphological filters" Proc. IS&T/SPIE International Symposium on Electronic Imaging: Science and Technology, Nonlinear Image Processing III, San Jose, California, pp. 25-36, 12-13 February, 1992.
  45. L. Yin, J. Astola, and Y. Neuvo, "Neural Filters: A Class of Filters Unifying FIR and Median Filters," Proc. of ICASSP'92, 1992 Int. Conf. on Acoustics, Speech, and Signal Processing, San Francisco, Vol. 4 of 5, pp. 53 - 56, March 23 - 26, 1992.
  46. Q. Liu, J. Astola and Y. Neuvo, "Matched median filter for detecting QAM signals", International Conference on Communications, Conference Record, Chicago, pp. 805-808, June 14-18,1992.
  47. Q. Liu, J. Astola and Y. Neuvo, "Adaptive estimator of signal amplitude in unknown noise environment", International Conference on Communications, Conference Record, Chicago, pp. 809-812, June 14-18, 1992.
  48. Q. Liu, J. Astola, and Y. Neuvo, "Matched Median Filter for Detecting Qam Signals, "Proc. of the Int. Seminar on Nonlinear Circuits and Systems, Moscow, Vol. 2, pp. 368 - 377, June 16 - 18, 1992.
  49. P. Rustanius, L. Koskinen, and J. Astola, "Theoretical and experimental analysis of the effects of noise in morphological image processing", Proc. Image Algebra and Morphological Image Processing III, P. Gader, E. Dougherty and J. Serra Ed., San Diego California, pp. 2-13, 20-22 July 1992.
  50. P. Kuosmanen, L. Koskinen and J. Astola, "An Adaptive Morphological Filtering Method", in Proc. EUSIPCO -92, Brussels, Belgium, pp. 1089-1092, August 1992.
  51. K. Tang, J. Astola and Y. Neuvo, "Multivariate Ordering and Filtering with Application to Color Image Processing," Proc. of EUSIPCO-92, 6th European Signal Processing Conf.,Brussels, Belgium, pp. 1481 - 1484, August 24 - 27 1992.
  52. K. Tang, J. Astola and Y. Neuvo, "Multivariate Order Statistic Filters In Color Image Processing," Proc. of the IEEE International Conference on Systems Engineering, Kobe, Japan, pp. 584 - 587, September 17 - 19, 1992.
  53. P. Kuosmanen, L. Koskinen and J. Astola, "Detail Preserving Morphological Filtering", in Proc. 11th IAPR International Conference On Pattern Recognition, Volume III, The Hague, The Netherlands, pp. 236-239, September 1992.
  54. P. Kuosmanen, L. Koskinen and J. Astola, "The Connection between Generalized Soft Morphological Filters and Stack Filters", in Proc. IEEE Winter Workshop on Nonlinear Digital Signal Processing, Tampere, Finland, January 1993.
  55. J. Yang, L. Yin, M. Gabbouj, J. Astola, Y. Neuvo, "Optimal weighted median filters for image processing. Proc. of IEEE Winter Workshop on Nonlinear Digital Signal Processing, Jan. 17-20 Tampere, Finland 1993.
  56. R. Yang, L. Yin, M. Gabbouj, J. Astola, Y. Neuvo, "Performance of detail-preserving weighted median filters for image processing, IEEE Winter Workshop on Nonlinear Digital Signal Processing, Murikka Tampere. pp. 51.1-3.1-6, January 17-20, 1993.
  57. S. Agaian, J. Astola and K. Egiazarian, "Mixed methods for nonlinear filtering" Proc. IS&T/SPIE International Symposium on Electronic Imaging: Science and Technology, Nonlinear Image Processing IV, San Jose, California, 31 January-4 February, 1993.
  58. P. Kuosmanen, L. Koskinen and J. Astola, "Analysis and Extensions of Soft Morphological Filters", in Proc. Nonlinear Image Processing IV, SPIE Proceedings, vol. 2002, San Jose, USA, pp. 41-52, February 1993.
  59. K. Tang, J. Astola, Y. Neuvo, "Adaptive nonlinear multivariate image filtering for mixed noise removal", IEEE International Symposium on Circuits and Systems, Chicago. pp. 427-430, May 3-6, 1993.
  60. R. Yang, L. Yin, M. Gabbouj, J. Astola, Y. Neuvo, "Optimal weighted median filters under structural constraints", Proc. of IEEE International Symposium on Circuits and Systems, Chicago, IL, USA, pp. 942-945, May 3-6, 1993.
  61. K. Tang, J. Astola, Y. Neuvo, "Multivariate estimate based on gradient search" International Conference, Image Processing: Theory and Applications, Villa Nobel, San Remo, Italy, pp. 279- 282, June 14.-16.1993.
  62. P. Kuosmanen and J. Astola, "Selection Probabilities", in Proc. of SPIE's International Symposium on Optics, Imaging and Instrumentation, SPIE Proceedings, vol. 2030, San Diego, USA, pp. 203-217, July 1993.
  63. S. Agaian, J. Astola and K. Egiazarian, "Spectral conversion algorithms for weighted median to stack filter", Image Algebra and Morphological Image Processing IV, San Diego, California,July 1993.
  64. Q. Liu, J. Lilleberg, J. Astola and Y. Neuvo, "Design of Weighted Vector Median Filters", International Conference on Signal Processing, Beijing, China, October 26 - 30, 1993.
  65. J. Astola, C.F. Alaya and M. Gabbouj, "When Are Two Weighted Median Filters Identical?", Proc. IS&T/SPIE Symposium on Electronic Imaging Science & Technology, Nonlinear Image Processing V, San Jose , California, February 6 - 10, 1994.
  66. K. Egiazarian, S.Agaian, D. Gevorkian and J. Astola, "Decompositional Algorithm for Running Stack Filtering", in Proc. IS&T/SPIE Intern. Symp. on Electronic Imaging Science and Technology, San Jose, California, February 6 - 10, 1994.
  67. R. Wichman and J. Astola, "Matched median detectors for DS/SSMA systems using complex signature sequences", Proc. of NORSIG-94, Ålesund, Norway, pp. 278 - 283, June 1994.
  68. H. Huttunen, P. Kuosmanen, L. Koskinen and J. Astola, "Optimization of Soft Morphological Filters by Genetic Algorithms", in Proc. of Image Algebra and Morphological Image Processing V, SPIE Proceedings, San Diego, USA, July, 1994.
  69. P. Kuosmanen, P. Koivisto, H. Huttunen and J. Astola, "Optimization of Soft Morphological Filters under Shape Preservation Criteria", in Proc. of Image Algebra and Morphological Image Processing V, SPIE Proceedings, San Diego, USA, July, 1994.
  70. D. Akopian, O. Vainio, S. Agaian and J. Astola, "SBNR Processor for Stack Filters", 28th Asilomar Conference on Signals, Systems & Computers, Pasific Grove, California, November 1994.
  71. D. Akopian, K. Egiazarian, S. Agaian, J. Astola, "Pipelined Processors for Fast Trigonometric Transforms" in Proc. of 28th Asilomar Conference on Signals, Systems & Computers, Pasific Grove, California, November, 1994.
  72. J. Astola, D. Akopian, S. Agaian, O. Vainio, "A Unified Approach to Implementation of Stack Filters", Conf. Record of 28th Asilomar Conference on Signals, Systems & Computers, Pasific Grove, California, November 1994.
  73. M. Karczewicz, M. Gabbouj and J. Astola, "Robust B-Spline Image Smoothing", IEEE International Conference on Image Processing, Austin, USA, November 1994.
  74. T. Viero, B.P. Dobrin, J. Astola and M. Gabbouj, "Further Analysis of Watershed Algorithms", in Image Algebra and Morphological Image Processing V, E.R. Dougherty, P.D. Gader, M. Schmitt, Editors, Proc. SPIE 2300, pp. 331-342, 1994.
  75. R. Wichman and J. Astola, "Matched median detectors for DS/SSMA systems using complex signature sequences", Proc. of IEEE Globecom-94, San Francisco, pp. 1743 - 1747, November 1994.
  76. J. Astola, S.S. Agaian, and D.Z. Gevorkian, "Parallel Algorithms and Architectures for a Family of Haar-like Transforms", Proc. of SPIE`s International Symposium on Electronic Imaging, Science and Technology, San Jose, California, USA, February 5 - 10, 1995.
  77. J. Astola, S. Agaian, D. Gevorkian and K. Egiazarian, "Parallel Algorithms for Binary Polynomial Transforms and their Realization with a Unified Series of Processors", Proc. of SPIE`s International Symposium on Electronic Imaging, Science and Technology, San Jose, California, USA, February 5 - 10, 1995.
  78. P. Kuosmanen, K. Egiazarian and J. Astola, "Optimization of Stack Filters under Contraints", Proc. of Nonlinear Image Processing VI, San Jose, USA, February 1995.
  79. K. Egiazarian, P. Kuosmanen, J. Astola and S. Agaian., "Spectral Approach to Selection Probabilities of Stack Filters", Proc. of Nonlinear Image Processing VI, San Jose, USA, February 1995.
  80. J. Astola, D. Akopian and K. Egiazarian, "A New Architecture for Running Threshold Boolean Filtering", Proc. of SPIE Meeting on Visual Communications and Image Processing `95, vol. 2501, pp. 366 - 377, Taiwan, May 1995.
  81. J. Astola, K. Egiazarian and D. Gevorkian, "Spectral Methods for Threshold Boolean Filtering", Proc. of SPIE Meeting on Visual Communications and Image Processing `95, vol. 2501, pp. 221- 230, Taiwan, May 1995.
  82. K. Egiazarian, J. Astola and S. Agaian, "Spectral Approach to Classification Based on Generalized Unconditional Tests", Proc. of SPIE Meeting on Visual Communications and Image Processing `95, vol. 2501, pp. 119 - 128, Taiwan, May 1995.
  83. P. Kuosmanen, K. Egiazarian, and J. Astola, "Calculation of the Sample Selection Probabilities of Stack Filters by Using Weighted Chow Parameters", Proc. of ICASSP-95, pp. 3403 - 3406, Detroit, Michigan, USA, May 1995.
  84. J. Astola, P. Kuosmanen, D. Akopian and D. Gevorkian, "Fibonacci p-code Method for Generalized Stack Filtering", Proc. of ISCAS`95, pp. 1900 - 1903, Seattle, Washington, USA, May 1995.
  85. J. Astola, K. Egiazarian, D. Akopian and D. Gevorkian, "Threshold Boolean Filtering Based on Pattern Classification", Proc. of IEEE Workshop on Nonlinear Signal and Image Processing, pp. 879 - 882, Greece, June 1995.
  86. H. Huttunen, P. Kuosmanen and J. Astola, "Analysis and Optimization of RCRS-filters with Fixed Rank Selection Probabilities", Proc. of 1995 IEEE Workshop on Nonlinear Signal ans Image Processing, pp. 919 - 922, Haldikiki, Greece, June 1995.
  87. K. Tang, M. Gabbouj and J. Astola, "A Novel Nonlinear Vector Filter for Grey-level Image Filtering", 1995 IEEE Workshop on Nonlinear Signal and Image Processing, Greece, June 20 - 22, 1995.
  88. P. Kuosmanen and J. Astola, "Breakdown Probabilities and Stack Filters", Proc. of 1995 IEEE Workshop on Nonlinear Signal and Image Processing, pp. 923 - 926, Neos Marmaras, Halkidiki, Greece, June 1995.
  89. H. Huttunen, P. Koivisto, P. Kuosmanen and J. Astola, "Difference of Estimates Approach to Edge Detection Using Composite Soft Morphological Filters", Proc. of International Conference on Digital Signal Processing, pp. 342 - 347, Limassol, Cyprus, June 1995.
  90. J. Astola, S. Agaian, K. Egiazarian, O. Vainio and D. Gevorkian, "High-speed Algorithms and an Architecture for Running Stack Filters", Proc. of International Conference on Digital Signal Processing, pp. 302 - 307, Limassol, Cyprus, June 1995.
  91. O. Vainio, D. Akopian and J. Astola, "Systematic Design of Encoder and Decoder Networks with Applications to High-speed Signal Processing", Proc. of IEEE International Symposium on Industrial Electronics, pp. 172 - 175, Athens, Greece, July 1995.
  92. H. Huttunen, P. Koivisto, P. Kuosmanen and J. Astola, "Optimization of Soft Morphological Filters under Structural Constraints", Proc. of Summer School on Morphological Image and Signal Processing, pp. 19 - 24, Zakopane, Poland, September 1995.
  93. S. Atourian, K. Egiazarian, J. Astola and D. Gevorkian, "Synthesis and Implementation of Nonlinear Digital Filters on FFT Structure", Proc. of NOLTA'95 International Symposium on Nonlinear Theory and its Aplications, pp. 1005 - 1006, Las Vegas, USA, December 1995.
  94. J. Astola and D. Gevorkian, "High-speed systolic architectures for Median Type Filtering, Proc of SPIE 1996 International Symposium on Optical Science, Engineering and Instrumentation: Statistical and Stochastic Methods for Image Processing, pp. 75 - 84, Denver, Colorado, USA, August 1996.
  95. P. Koivisto, H. Huttunen, P. Kuosmanen and J. Astola, "Signal Quantization and the Optimization of Digital Filters", IS&T/SPIE Symposium on Electronic Imaging: Science & Technology, San Jose, California, USA, January 27 - February 2, 1996.
  96. O.V. Sarca and J. Astola, "Binary Image Filtering under Noise Distribution Constraints", IS&T/ SPIE Symposium on Electronic Imaging: Science & Technology, San Jose, California, USA, January 27 - February 2, 1996.
  97. K.O. Egiazarian, J. Astola, S. Atourian and D. Gevorkian, "Nonlinear Filters based on Ordering by FFT Structure", IS&T/SPIE Symposium on Electronic Imaging: Science & Technology, San Jose, California, USA, January 27 - February 2, 1996.
  98. H. Huttunen, P. Kuosmanen and J. Astola, "Optimal RASF Filtering", IS&T/SPIE Symposium on Electronic Imaging: Science & Technology, San Jose, California, USA, January 27- February 2, 1996.
  99. V.V. , N.N. Ponomarenko, J. Astola and K. Saarinen, "Algorithms of Image Nonlinear Adaptive Filtering using Fragment Recognition by Expert System", IS&T/SPIE Symposium on Electronic Imaging: Science & Technology, San Jose, California, USA, January 27 - February 2, 1996.
  100. J. Astola and D. Akopian, "Architecture-oriented Regular Algorithms for Discrete Sine and Cosine Transforms", IS&T/SPIE Symposium on Electronic Imaging: Science & Technology, San Jose, California, USA, January 27 - February 2, 1996.
  101. K.O. Egiazarian, S. Agaian and J. Astola, "Parametric Family of Discrete Trigonometric", IS&T/ SPIE Symposium on Electronic Imaging: Science & Technology, San Jose, California, USA, January 27 - February 2, 1996.
  102. A. Värri, J. Hasan and J. Astola, "Automatic Analysis of Sleep and Epilepsy State of the Art - Present and Future, First workshop on ENN, Treysa, Germany, January 31 - February 3, 1996.
  103. O. Sarca and J. Astola, "New Binary Image Filtering Method Based on Modified Perceptron Algorithm", SPIE Nonlinear Image Processing VIII, San Jose, California, USA, February 1996.
  104. D. Akopian and J. Astola, "Pipeline Processors for Fast Architecture Oriented Regular DCT- IDCT Algorithm", Proc. of ICASSP'96 IEEE International Conference on Acoustics, Speech and Signal Processing, pp. 1319 - 1322, Atlanta, Georgia, USA, May 7 - 10, 1996.
  105. K. Egiazarian, T. Saramäki, H. Chugurian and J. Astola, "Modified B-spline Interpolators and Filters: Synthesis and Efficient Implementation", Proc. of ICASSP'96 IEEE International Conference on Acoustics, Speech and Signal Processing, pp. 1743 - 1746, Atlanta, Georgia, USA, May 7 - 10, 1996.
  106. K. Egiazarian and J. Astola, "Generalized Fibonacci Cubes and Trees for DSP Applications", Proc. of ISCAS'96 IEEE International Symposium on Circuits and Systems, Vol. 2, pp. 445 - 448, Atlanta, USA, May 12 - 15, 1996.
  107. J. Yli-Hietanen, K. Kalliojärvi and J. Astola, "Low-Complexity Angle of Arrival Estimation of Wideband Signals Using Small Arrays", Proc of. 8th IEEE Signal Processing Workshop on Statistical Signal and Array Processing, pp. 109 - 112, Corfu, Greece, June 1996.
  108. M. Helsingius, P. Haavisto and J. Astola, "FMH Post Correction Filters for the Interpolation of Quincunx Sampled Images", SPIE 1996 International Symposium on Optical Science, Engineering and Instrumentation, pp. 54 - 64, Denver, Colorado, USA, August 1996.
  109. V. Melnik, V. , A. Zelensky, H. Huttunen and J. Astola, "Nonlinear Locally-adaptive and Interactive Algorithms of Image Restoration", SPIE 1996 International Symposium on Optical Science, Engineering and Instrumentation, pp. 109 - 120, Denver, Colorado, USA, August 1996.
  110. I. B. Dahou, D. Akopian, P. Kuosmanen and J. Astola, "Fault Detection in Stack Filter Circuits Based on Selection Probabilities", Proc. of ICIP'96 IEEE International Conference on Image Processing, Vol. 1, pp. 765 - 768, Lausanne, Switzerland, September 16 - 19, 1996.
  111. F. A. Cheikh, R. Hamila, M. Gabbouj and J. Astola, "Impulse Noise Removal in Highly Corrupted Color Images", Proc. of ICIP'96 IEEE International Conference on Image Processing, Vol. 1, pp. 997 - 1000, Lausanne, Switzerland, September 16 - 19, 1996.
  112. V. Koivunen, P. Kuosmanen and J. Astola, "Orthogonal Spline Fitting in Range Data", Proc. of ICIP'96 IEEE International Conference on Image Processing, Vol. 2, pp. 385 - 392, Lausanne, Switzerland, September 16 - 19, 1996.
  113. D. Akopian and J. Astola, "Processor Architecture for Extended Lapped Transform", Proc. of EUSIPCO'96 Eight European Signal Processing Conference, Vol. 3, pp. 1459 - 1462, Trieste, Italy, September 10 - 13, 1996.
  114. V. , N. Ponomarenko, P. Kuosmanen and J. Astola, "Modified Sigma Filter for Processing Images Corrupted by Multiplicative and Impulsive Noise", Proc. of EUSIPCO'96 Eight European Signal Processing Conference, Vol. 3, pp. 1909 - 1912, Trieste, Italy, September 10 - 13, 1996.
  115. J. Astola and D. Akopian, "Fast Regular 2-D Algorithms for a Class of Trigonometric Transforms", Proc. of Visual Communications and Image Processing `97, Vol. 3024, pp. 885 - 896, San Jose, California, USA, February 12-14, 1997.
  116. K. Egiazarian, J. Astola, S. Atourian and D. Gevorkian, "Adaptive LMS FFT-ordered L-filters", Procedings of IS&T/SPIE Symposium on Electronic Imaging: Science and Technology, Nonlinear Image Processing VIII, vol. 3026, pp. 34-45, February 12 - 14, 1997.
  117. V.V. , A.A. Zelensky, V. Chmerovsky and J. Astola, "Nonlinear adaptive l-2 and l-3 filters for speckled image processing", Proceedings of IS&T/SPIE's Annual Symposium on Electronic Imaging: Science & Technology, Nonlinear Image Processing VIII, Vol. 3026, pp. 21-33, San Jose, CA, 9-14 February 1997.
  118. O. Sarca and J. Astola, "New Binary Image Filtering Method Based on a Modified Perceptron Training Algorithm" Proceedings of IS&T/SPIE's 9th Annual Symposium on Electronic Imaging: Science and Technology, Nonlinear Image Processing VIII, San Jose, California, USA, vol. 3026, pp. 57-68, February 1997.
  119. J. Astola, K. Egiazarian and H. Huttunen, "Wavelet Packets and Genetic Algorithm", Proceedings of ICASSP'97, 1997 IEEE International Conference on Acoustic, Speech, and Signal Processing, vol. 3, pp. 2117-2120, Munich, Germany, April 20 - 24, 1997.
  120. D. Gevorkian, K. Egiazarian, J. Astola and S. Atourian, "On a Class of Linear and/or Nonlinear Transform Domain Adaptive Digital Filters", ICASPP'97, IEEE International Conference on Acoustic, Speech and Signal Processing, Munich, Germany, April 20 - 24, 1997.
  121. K. Koppinen, J. Yli-Hietanen and J. Astola, "Optimization of Generalized Predictors", Proceedings of IMTC, vol. 1, pp. 54-59, Ottawa, Canada, May 19 - 21, 1997.
  122. D. Akopian and J. Astola, "An Optimal Nonlinear Extension of Linear Filters Based on Distributed Arithmetic, Proceedings of SPIE, Statistical and Stochastic Methods in Image, Processing II, vol. 3167, pp. 2-12, San Diego, California, July-August, 1997.
  123. B. Cramariuc, M. Gabbouj and J. Astola, "Clustering Based Region Crowing Algorithm for Color Image Segmentation", Proceedings of DSP'97, 13th International Conference on Digital Signal Processing, vol. 2, pp. 857-860, Santorini, Greece, July 1997.
  124. D. Gevorkian, M. Hu, O. Vainio and J. Astola, "VLSI Architecture for Stack Filters", Proceedings of DSP'97, the International Conference on Digital Signal Processing, vol. 2, pp. 641-648, Santorini, Greece, July 1997.
  125. A.A. Kurekin,V.V. , A.A. Zelensky, J. Astola, P. Kuosmanen, K. Saarinen, "Adaptive Vector LQ-Filter for Color Image Processing", Proceedings of SPIE, Statistical and Stochastic Methods in Image Processing II, vol. 3167, pp. 46-56, San Diego, California, 31 July - 1, August, 1997.
  126. O. Sarca, J. Astola and E. Dougherty, "New Training Method for Linear Separable Threshold Boolean Filters", Proceedings of SPIE, Statistical and Stochastic Methods in Image Procesing II, vol. 3167, p. 23-34, San Diego, California, USA, July 27-August 1, 1997.
  127. I. Tabus and J. Astola, "Adaptive Boolean Predictive Modelling with Application to Lossless Image Coding", Proceedings of SPIE, Statistical and Stochastic Methods in Image Processing II, vol. 3167, pp. 234-245, San Diego, California, USA, July-August 1997.
  128. J. Astola, K. Egiazarian, R. Öktem and S. Agaian, "Binary Polynomial Transforms for Nonlinear Signal Processing", Proceedings of the IEEE Workshop on Nonlinear Signal and Image Processing, Mackinac Island, Michigan, USA, Sept. 8 - 10, 1997.
  129. K. Halonen, P. Kuosmanen and J. Astola, "Robustness aspects of the RASF", Proceedings of the IEEE Workshop on Nonlinear Signal and Image Processing, Mackinac Island, Michigan, USA, Sept. 8-10 1997.
  130. R. Hamila, M. Renfors, M. Gabbouj and J. Astola, "Time-frequency signal analysis using teager energy", Proceedings of the IEEE Workshop on Nonlinear Signal and Image Processing, Mackinac Island, Michigan, USA, Sept. 8-10, 1997.
  131. P. Kuosmanen, J. Astola, K. Davidssonand K. Halonen, "Digital watermarking through filtering", Proceedings of the IEEE Workshop on Nonlinear Signal and Image Processing, Mackinac Island, Michigan, USA, Sept. 8-10 1997.
  132. D. Akopian and J. Astola, "An Optimal Nonlinear Extension of Linear Filters", Proceedings of Computer Science and Information Technologies Conference, CSIT, pp. 141-144, Yerevan, Armenia, September 26-29, 1997.
  133. S. Atourian, J. Astola, D. Gevorkian and K. Egiazarian, "Bit-Serial Architecture for K-Nearest Neighbour Filters", Proceedings of Computer Science and Information Technologies Conference, CSIT, pp. 159-162, Yerevan, Armenia, September 26-29, 1997.
  134. K. Egiazarian, D. Gevorkian and J. Astola, "On Multiresolution Wavelet Packet Transforms Based on Generalized Fibonacci Topology", Proceedings of Computer Science and Information Technologies Conference, CSIT, pp. 163-166, Yerevan, Armenia, September 26-29, 1997.
  135. K. Davidsson, K. Halonen, P. Kuosmanen and J. Astola, "Statistical Detection of Digital Signatures Embedded Through Filtering", Proceedings of Computer Science and Information Technologies Conference, pp. 155-158, Yerevan, Armenia, September 26-29, 1997.
  136. P. Kuosmanen and J. Astola, "Connection Between the RASF and M-estimators", Proceedings of the 4th Workshop on Basis of Electronics, SBE'9, Cluj-Napoca, Romania, October 1997.
  137. O. Sarca, I. Tabus and J. Astola, "Threshold Decomposition Based- Locally Adaptive Linear Filters", Proceedings of ICIP'97, IEEE International Conference on Image Processing, vol. 1, pp. 409-412, Santa Barbara, California, October 1997.
  138. I. Tabus, J. Rissanen and J. Astola, "Adaptive L-Predictors Based on Finite State Machine Context Selection", Proceedings of ICIP'97 International Conference on Image Processing, pp. 401-404, Santa Barbara, California, USA, October 1997.
  139. D. Akopian, J. Takala, J. Astola and J. Saarinen, "A Multistage Interconnection Network for Parallel Viterbi Decoders", Proceedings of MICC'97 & ISPACS'97, 3rd IEEE Malaysia International Conference on Communications, 5th IEEE International Workshop on Intelligent Signal Processing and Communication Systems, pp. s16.6.1.-s16.6.5, Malaysia, November 1997.
  140. S. Alenius, U. Ruotsalainen and J. Astola, "Using Local Median as the Location of the Prior Distribution in Iterative Emission Tomography Image Reconstruction", Proceedings of IEEE Nuclear Science Symposium and Medical Imaging Conference, pp. 1726-1730, New Mexico, USA, November 1997.
  141. K. Egiazarian, D. Gevorkian and J. Astola, "Time-Varying Filter Banks and Multiresolution Transforms Based on Generalized Fibonacci Topology", Proceedings of MICC'97 & ISPACS'97, 3rd IEEE Malaysia International Conference on Communications, 5th IEEE International Workshop on Intelligent Signal Processing and Communication Systems, pp. s16.5.1-s16.5.4, Malaysia, November 1997.
  142. D. Gevorkian, K. Egiazarian, J. Astola and S. Atourian, "On a Class of Linear and/or Nonlinear Transforms Domain Adaptive Digital Filters", Proceedings of MICC'97 & ISPACS'97, 3rd IEEE Malaysia International Conference on Communications, 5th IEEE International Workshop on Intelligent Signal Processing and Communication Systems, pp. s16.9.2-s16.9.4, Malaysia, November 1997.
  143. R. Hamila, M. Renfors, M. Gabbouj and J. Astola, "Time-Frequency Signal Analysis Using Teager Energy", Proceedings of ICECS'97, the 4th IEEE International Conference on Electronics, Circuits & Systems, vol. 2, pp. 911-194, Cairo, Egypt, December 1997.
  144. V. , N. Ponomarenko, A. Kurekin, A. Zelensky, J. Astola, P. Koivisto, and K. Saarinen, "Nonlinear Algorithms in Isogram Extraction from Topographic Maps". Proceedings of SPIE, Nonlinear Image Processing IX, San Jose, California, USA, vol. 3304, pp. 47-58, 26-27 January, 1998.
  145. V.V. , V.P. Melnik, V.I. Chemerovsky, J.T. Astola, P. Kuosmanen, K.P. Saarinen, "Adaptive Alfa-Trimmed Filters for Speckle Image Processing". Proceedings of SPIE, Nonlinear Image Processing IX, San Jose, California, USA, vol. 3304, pp. 209-219, 26-27 January, 1998.
  146. O. Sarca, E. Dougherty, and J. Astola, "Optimal Binary Filters with Linearly Separable Preprocessing". Proceedings of SPIE, Nonlinear Image Processing IX, San Jose, California, USA, vol. 3304, pp. 25-35, 26-27 January, 1998.
  147. I. Tabus, C. Popeea, J. Rissanen and J. Astola, "Alphabet Extensions for Markov sources", Proc. of ITW'98 Information Theory Workshop, p. 78, San Diego, California, February 8 - 11, 1998.
  148. K. Egiazarian, D. Gevorkian, S. Atourian, J. Astola,T. Saramäki, and V. , "Unified Structure and Approach for Performing Fast Transformations and Nonlinear Operations", Proc. of 1998 International Conference on Mathematical Methods in Electromagnetic Theory, MMET98, pp. 426 - 428, Kharkov, Ukraine, June 2 - 5, 1998.
  149. K. Egiazarian, V.G. Labunets, E.V. Labunets, and J. Astola, "New Fast Trigonometric Transforms". Proceedings of EUSIPCO'98, 9th European Signal Processing Conference, vol. 3. pp. 1765-1768, Rhodes, Greece, 8-11 September, 1998.
  150. R. Iordache, I. Tabus, and J. Astola, "Fixed-Slope Near-Lossless Context-Based Image Compression". Proceedings of ICIP '98, Chicago, Illinois, USA, pp. 512-515, IEEE International Conference on Image Processing, October 4-7, 1998.
  151. D. Akopian, M. Helsingius, and J. Astola, "Combined Multibase/Wavelet Transform Coding of Still Images". The 6th IEEE International Workshop on Intelligent Signal Processing and Communication Systems, Melbourne, Australia, pp. 696-700, 5-6 November 1998.
  152. D. Akopian, J. Takala, J. Astola, and J. Saarinen, "Multistage Interconnection Networks for k/n Rate Viterbi Decoders". Proceedings of IEEE Telecommunications Conference GLOBECOM '98, Sydney, Australia, Conference Record, vol. 2, pp. 845-850, November 8-12, 1998.
  153. S. Alenius, U. Ruotsalainen, and J. Astola: "Using Local Median As the Location of the Prior Distribution in Iterative Emission Tomography Image Reconstruction", 1997 IEEE Medical Imaging Conference, Conference Record, pp. 1726-1730, Albuquerque, New Mexico, USA, November 9 - 15, 1998.
  154. I. Aizenberg, N. Aizenberg, J. Astola and K. Egiazarian, "Solution of the Super-Resolution Problem through Extrapolation of the Orthogonal Spectra using Multi-Valued Neural Technique", Proc. of EUSIPCO'98 IX European Signal Processing Conference, pp. 1761 - 1764, Rhodos, Greece, September 8 - 11, 1998.
  155. R. Hamila, F. Alaya Cheikh, J. Vesma, J. Astola and M. Gabbouj, "Relationship between the Wigner-Distribution and the Teager Energy", Proc. of EUSIPCO'98 IX European Signal Processing Conference, pp. 1857 - 1860, Rhodos, Greece, September 8 - 11, 1998.
  156. C.D. Giurcaneanu, I. Tabus and J. Astola, "Adaptive Context based Sequential Prediction for Lossless Audio Compression" Proc. of EUSIPCO'98 IX European Signal Processing Conference, pp. 2349 - 2352, Rhodos, Greece, September 8 - 11, 1998.
  157. D. Akopian, M. Helsingius, J. Astola, "Multibase/Wavelet transform coding without blocking artifacts," Proceedings of 32nd Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, November 1-4, 1998.
  158. D. Akopian, M. Helsingius, and J. Astola, "Combined Multibase/Wavelet Transform Coding of Still Images", Proc. of The 6th IEEE International Workshop on Intelligent Signal Processing and Communication Systems, pp. 696 - 700, Melbourne, Australia, November 5 - 6, 1998.
  159. D. Akopian, J. Takala, J. Astola, and J. Saarinen, "Multistage Interconnection Networks for k/n Rate Viterbi Decoders", Proceedings. of GLOBECOM98, IEEE Global Telecommunications Conference, pp. 845 - 851, Sydney, Australia, November 8 - 12, 1998.
  160. V.V. , A.A. Zelensky, N.N. Ponomarenko, A.A. Kurekin, J.T. Astola, P.T. Koivisto, "Modified Sigma Filter with Improved Noise Suppresion Efficiency and Spike Removal Ability". The 6th IEEE International Workshop on Intelligent Signal Processing and Communication Systems, Melbourne, Australia, pp. 849-853, 5-6 November 1998.
  161. I. Aizenberg, N. Aizenberg, S. Again, J. Astola, and K. Egiazarian, "Nonlinear cellular neural filtering for noise reduc-tion and extraction of image details", Nonlinear Image Processing X, 25, San Jose, California, Proceedings of SPIE, VOL: 3646, pp. 100-111, 26 January, 1999.
  162. K. Egiazarian, and J. Astola, "New Algorithm for Removing of Mixed (White and Impulsive) Noise from Images, Nonlinear Image Processing X, vol. 3646, pp. 78-89, 25-26 January, 1999.
  163. E.V. Labunets, V.G. Labunets, K. Egiazarian, and J. Astola, "New Fast Algorithms of Multidimensional Fourier and Radon Discrete Transforms", 1999 IEEE International Conference on Acoustics, Speech and Signal Processing Proceedings, ICASSP´99, vol. 6, pp. 3193 - 3196, Phoenix, Arizona, USA, March 15-19, 1999.
  164. C.D. Giurcaneanu, I. Tabus, and J.Astola, "Forward and backward design of predictors for lossless audio coding", CSCS-12, 12th International Conference on Control Systems and Computer Science, Proceedings, vol. 1, pp. 396-401, Bucharest, Romania, May 26-29, 1999.
  165. K. Egiazarian, M. Helsingius, P. Kuosmanen, and J. Astola, "Removal of Blocking and Ringing Artifacts Using Transform Domain Denoising", ISCAS´99, Proceedings of the 1999 IEEE International Symposium on Circuits and Systems, vol. 4, pp.: 139-142, Orlando, Florida, May 30 - June 2, 1999.
  166. M. Hu, O. Vainio, J. Astola, K. Egiazarian, and D. Gevorkian, "Ram-based programmable stack filter implementation", Proceedings of the 1999 IEEE International Symposium on Circuits and Systems, vol. 3, pp. 474-477, Orlando, Florida, May 30-June 2, 1999.
  167. C. Giurcaneanu, I. Tabus, and J. Astola, "Integer Wavelet Transform Based Lossless Audio Compression", Proceedings of the IEEE-EURASIP Workshop on Nonlinear Signal and Image Processing (NSIP'99), vol. 1, pp. 378 - 382, Antalya, Turkey, June 20-23, 1999.
  168. M. Helsingius, P. Kuosmanen, J. Astola, "Quantum-Dot Cells and Their Suitability for Nonlinear Signal Processing", Proceedings of the IEEE-EURASIP Workshop on Nonlinear Signal and Image Processing (NSIP'99), vol. 2, pp. 659-663, Antalya, Turkey, June 20-23, 1999.
  169. L. Yaroslavsky, K. Egiazarian, and J. Astola, "Time-Frequency Domain Signal Filtering: A Next Step Forward", Proceedings of the IEEE-EURASIP Workshop on Nonlinear Signal and Image Processing (NSIP'99), vol. 2, pp. 277-281, Antalya, Turkey, June 20-23, 1999.
  170. L. Öktem, and J. Astola, "Prediction of Pixels in an Arbitrary Region from Pixels on the Region Boundary", Proceedings of the IEEE-EURASIP Workshop on Nonlinear Sig-nal and Image Processing (NSIP'99), vol. 2, pp. 429-431, Antalya, Turkey, June 20-23, 1999.
  171. V. Melnik, I. Shmulevich, K. Egiazarian, and J. Astola, "Iterative Block-Median Pyramid Transform-Based Denoising", Proceedings of SPIE, Wavelet Applications in Signal and Image Processig VII, vol. 3813, no. 3813 - 53, pp. 502-513, Denver, Colorado, USA, 19-23 July, 1999 .
  172. A. Vasilache, I. Tabus, and J. Astola, "A Polar Quantizer for Spherically Symmetric Sources", SCI ´99 and ISAS´99 (5th International Conference on Information Systems, Analysis and Synthesis), World Multiconference on Systemics, Cybernetics and Informatics, Proceedings, volume 6, Image, Accoustic, Speech and Signal Processing, pp. 263-270, Orlando, Florida, July 31-August 4, 1999.
  173. D. Akopian, and J. Astola, "A Predictive Multiscanning Approach for Still Image Compression", Proceedings of the Conference, Computer Science and Information Technologies, CSIT, Yerevan, Armenia, pp. 243-246, August 17-22,1999.
  174. J. Astola, I. Shmulevich, O. Yli-Harja, and K. Egiazarian, "Statistical Properties of Nonlinear Filters Based on Monotone Boolean Functions", Proceedings of the CSIT Conference, Computer Science and Information Technologies, August 17-22, Yerevan, Armenia, pp. 97-106, August 17-22, 1999.
  175. D.Gevorkian, M.Hu, K.Egiazarian, O.Vainio, and J.Astola, "RAM-based two-dimensional stack filtering implementation," in Proceedings of the International Conference on Computer Science and Information Technology, pp. 231 - 234, Yerevan, Armenia, August 17-22, 1999.
  176. E. Rundblad, V. Labunets, J. Astola, K. Egiazarian, and S. Polovnev, "Fast Fractional Unitary Transforms", Proceedings of the Conference, Computer Science and Information Technologies, CSIT, pp. 223-226, Yerevan, Armenia, August 17-22, 1999.
  177. E. Rundblad, V. Labunets, K. Egiazarian, J. Astola, and S. Polovnev, "Fast Invariant Recognition of Colour Images Based on Triplet-Fourier-Gauss Transform", Proceedings of the Conference, Computer Science and Information Technologies, CSIT, pp. 265-268, Yerevan, Armenia, August 17-22, 1999.
  178. I. Shmulevich, K. Egiazarian, O. Yli-Harja, J. Astola, "Efficient Computation of Output Distributions of Stack Filters using Ordered Binary Decision Diagrams", Proceedings of the CSIT Conference, Computer Science and Information Technologies, pp. 252-255, Yerevan, Armenia, August 17-22, 1999.
  179. K. Tunyan, J. Astola, D. Akopian, A. Tuniev, "Development of A-orthogonalization Process and its Possible Applications", Proceedings of the Conference, Computer Science and Information Technologies, CSIT, pp. 321-324, Yerevan, Armenia, August 17-22, 1999.
  180. I. Shmulevich, O. Yli-Harja, K. Egiazarian, and J. Astola, "Root Signals of Stack Filters and Regular Languages", Proceedings of the CSIT Conference, Computer Science and Information Technologies, pp. 227-229, Yerevan, Armenia, August 17-22, 1999.
  181. O. Yli-Harja, I. Shmulevich, K. Egiazarian, and J. Astola, "On the Structure of State Transition Matrices of Recursive and Nonrecursive Stack Filters", Proceedings of the CSIT Conference, Computer Science and Information Technologies, pp. 261-264, Yerevan, Armenia, August 17- 22, 1999.
  182. E. Labunets, V. Labunets, K. Egiazarian, and J. Astola, "Fast Spectral Algoritms of Invariants Calculation", 10th International Conference on Image Analysis and Processing, ICIAP ´99, pp. 203 - 208, Venice, Italy, September 27-29, 1999.
  183. V. Melnik, I. Shmulevich, K. Egiazarian, and J. Astola, "Image Denoising Using a Block-Median Pyramid", Proceedings 1999 International Conference on Image Processing, ICIP99, pp. 162- 166, Kobe, Japan, 24 - 28 October, 1999.
  184. D. Gevorkian, S. Agaian, and J. Astola, "Lower and upper bounds of SIMD-complexity for a family of Fourier-like transforms", 11th IASTED International Conference on Parallel and Distri-buted Computing and Systems, no. Paper 302-181, Cambridge Massachusetts, USA, November 3 - 6, 1999.
  185. L. Öktem, and J. Astola, "Hierarchical Enumerative Coding of Binary Images", ICICS, Second International Conference on Information, Communications & Signal Processing, no. Session 1F2.6, pp. 5 s, Singapore, 7-10 December, 1999.
  186. D. Akopian, J. Takala, J. Saarinen, & Astola, "Multistage Interconnection Networks for Parallel Viterbi Decoders", Proceedings of First International Workshop on Spectral Techniques and Logic Design for Future Digital Systems, pp. 131-153, Tampere, Finland, June 2-3, 2000.
  187. J. Chen, I. Tabus, and J. Astola, "Quantization of LSF by Lattice Shape-Gain Vector Quantizer", First IEEE Balkan Conference on Signal Processing, Communications, Circuits and Systems, Balkan'2000, Istanbul, Turkey, June 2 - 3, 2000.
  188. R. Iordache, I. Tabus, and J. Astola, "Robust Index Assignment for Quantization of LSF Parameters Transmitted over Finite-Memory Contagion Channels", First IEEE Balkan Conference on Signal Processing, Communications, Circuits and Systems, Balkan'2000, Istanbul, Turkey, June 2 - 3, 2000.
  189. V. Labunets, E. Rundblad-Labunets, J. Astola, and K. Egiazarian, "Fast N-D Fourier- Heisenberg-Weyl Transforms", Proceedings of ICASSP 2000, pp. 540 - 543, Istanbul, June 5 - 9, 2000.
  190. S.K. Abramov, S. Peltonen, V.V. , P. Kuosmanen, and J. Astola, "Analysis of Outlier Influence on Nonlinear Filter Output for Linearly Increasing/decreasing Signals with Noise", pp. 2433 - 2436, vol. 4, Proceedings of Eusipco 2000, Tampere, Finland, September 4 - 8, 2000.
  191. S.K. Abramov, V.V. , J.T. & Astola, "Myriad filter properties and parameter selection", The fifth All-Ukrainian International Conference UkrOBRAZ'2000, pp. 59-62, November 27 - December 1, 2000.
  192. K. Balashov, D. Akopian, and J. Astola, "Lossless Compression of Natural Images using Regressive Analysis", pp. 1181 - 1183, vol. 2, Proceedings of Eusipco 2000, Tampere, Finland, September 4 - 8, 2000.
  193. M. Bhattacharya and J. Astola, "Number Theoretic Transform Modulo K.2**N +1, A Prime", pp. 2529 - 2532, vol. 4, Proceedings of Eusipco 2000, Tampere, Finland, September 4 - 8, 2000.
  194. M. Gabbouj, and J. Astola, "Nonlinear Order Statistic Filter Design: Methologies and Challenges", pp.377 - 384, vol. 1, Proceedings of Eusipco 2000, Tampere, Finland, September 4 - 8, 2000.
  195. D. Gevorkian, F. Marino, S. Agaian, and J. Astola, "Highly Efficient Fast Architectures for Discrete Wavelet Transforms Based on Their Flowgraph Representation", pp. 1945, vol. 4, Proceedings of Eusipco 2000, Tampere, Finland, September 4 - 8, 2000.
  196. V. Katkovnik, K. Egiazarian, and J. Astola, "Weighted Median Filter with varying adaptive Window Size", in Proceedings of the IASTED International Conference Signal Processing and Communications, pp. 329 - 334, Marbella, Spain, September 19 - 22, 2000.
  197. K. Koppinen and J. Astola, "Generalized IIR Polynomial Predictive Filters", pp. 2457 - 2460, vol. 4, Proceedings of Eusipco 2000, Tampere, Finland, September 4 - 8, 2000.
  198. V.G. Labunets, A.V. Maidan, J. Astola, K. Egiazarian, "Quazi-optimal Zernike Feature Selec- tion", in Proceedings of the IASTED International Conference Signal Processing and Communi- cations, pp. 433 - 438, Marbella, Spain, September 19 - 22, 2000.
  199. V. Labunets, E. Labunets-Rundblad, and J. Astola, "Fast Calculation Algorithms of Invariants for Color and Multispectral Image Recognition", in Proceedings of the Second International Workshop, AFPAC 2000, pp. 78 -103, Kiel, Germany, September 10 - 11, 2000.
  200. J. Nikara, J. Takala, D. Akopian, J. Saarinen, and J. Astola, "Pipelined Architecture for Inverse Discrete Cosine Transform", pp. 279 - 282, vol. 1, Proceedings of Eusipco 2000, Tampere, Finland, September 4 - 8, 2000.
  201. N.N. Ponomarenko, V.V. , A.A. Zelensky, P.T. Koivisto, and J.T. Astola, "Applications and Properties of Sigma and Mean Filters with Adaptive Window Size", Proceedings of Nonlinear Image Processing XI, pp. 57 - 68, vol. 3961, San Jose, California, 24 - 25 January, 2000.
  202. N.N. Ponomenko, K. Egiazarian, V.V. , & J.T. Astola, "Speeding-Up the Fractal Compression with Clustering", The Fifth all-Ukrainian International Conference UkrOBRAZ'2000, pp. 55 - 58, November 27 - December 1, 2000.
  203. E. Rundblad, V. Labunets, J. Astola, and K. Egiazarian, "Algebraic Frames for Commutative Hyperharmonic Analysis of Signals and Images", in Proceedings of the Second International Workshop, AFPAC 2000, pp. 294 - 308, Kiel, Germany, September 10 - 11, 2000.
  204. I. Tabus, C.D. Giurcaneanu, and J. Astola, "Optimal Predictive Design of Boolean and Order Statistics Based Filters", pp. 393 - 396, vol. 1, Proceedings of Eusipco 2000, Tampere, Finland, September 4 - 8, 2000.
  205. I. Tabus, R. Niemistö, and J. Astola, "A line Spectrum Approach for the Design of Optimum Compaction FIR Filters", pp. 1779 - 1782, vol. 3, Proceedings of Eusipco 2000, Tampere, Finland, September 4 - 8, 2000.
  206. H. Sarukhanyan, S. Agaian, K. Egiazarian, and J. Astola, "On Fast Hadamard Transforms of Williamson Type", pp. 1077 - 1080, vol. 2, Proceedings of Eusipco 2000, Tampere, Finland, September 4 - 8, 2000.
  207. R.S. Stankovic, M. Stankovic, J. Astola, and K. Egiazarian, "Fibonacci Decision Diagrams and Spectral Fibonacci Decision Diagrams", 30th IEEE International Symposium on Multiple-Valued Logic, ISMVL 2000, pp. 207 - 211, Portland, Oregon, USA, May 23 - 25, 2000.
  208. L. Öktem, R. Öktem, K. Egiazarian, and J. Astola, "Efficient Encoding of the Significance Maps in Wavelet Based Image Compression", in Proceedings of hte IEEE International Symposium on Circuits and Systems CAS 2000, pp. 25 - 28, Geneva, Switzerland, May 28 - 31, 2000.
  209. L. Öktem and J. Astola, "Compression of Image Overhead by Hierarchical Enumerative Coding", pp. 1145 - 1148, vol. 2, Proceedings of Eusipco 2000, Tampere, Finland, September 4 - 8, 2000.
  210. K. Egiazarian, and J. Astola, "Adaptive Haar transforms with arbitrary time and scale splitting", Nonlinear Image Processing and Pattern Analysis XII, Proceedings of SPIE, The International Society for Optical Engineering, pp. 242 - 255, San Jose, USA, 22 - 23, January, 2001.
  211. K. Egiazarian, V. Melnik, V. , and J. Astola, "Local transform-based denoising for radar image prosessing", Nonlinear Image Processing and Pattern Analysis XII, Proceedings of SPIE, The International Society for Optical Engineering, pp. 170 - 178, San Jose, USA, 22 - 23 January, 2001.
  212. V. , N. Ponomarenko, Y. Alekseyev, V. Melnik, and J. Astola, "Two-stage radar image despeckling based on local statistic Lee and sigma filtering", Nonlinear Image Processing and Pattern Analysis XII, Proceedings of Spie SPIE The International Society for Optical Engineering, pp. 106 - 117, San Jose, USA, 22 - 23 January 2001.
  213. L. Yaroslavsky, K. Egiazarian, and J. Astola, "Transform domain image restoration methods: review, comparison and interpretation", Nonlinear Image Processing and Pattern Analysis XII, Proceedings of SPIE, The International Society for Optical Engineering, pp. 155 - 169, San Jose, USA, 22 - 23 January, 2001.
  214. K. Egiazarian, R.S. Stankovic, J. Astola & H. Huttunen, "Decision Diagram Representations for Fitness and Average Fitness Functions in Analysis of Genetic Algorithms", in Proceedings of 2001 WSES International Conference on Elovutionary Computation, EC'01, pp. 290-292, Kanary Islands, February 2001.
  215. P. Koivisto, J. Astola, V. , V. Melnik, and O. Tsymbal, "Removing impulse bursts from images by training-based soft morphological filtering", Proceedings of SPIE, Visual Information Processing X, No. 3, pp. 24 - 46, Orlando, USA, April 19-20, 2001.
  216. M. Bhattacharya, and J. Astola, "Multiplierless Implementation of Recursive Digital Filters Based on Coefficient Translation Methods in Low Sensitivity Structures", Proceedings of The IEEE International Symposium on Circuits and Systems, ISCAS 2001, pp. 1 - 4, Sydney, Australia, May 6 - 9, 2001.
  217. M. Stankovic, R. Stankovic, J. Astola, and K. Egiazarian, "Circuit realization of spectral transforms in Fibonacci interconnection topologies", Proceedings of International Symposium on Circuits and Systems, ISCAS'2001, vol. 4, pp. 678 - 681, Sydney, Australia, May 6 - 9, 2001.
  218. K. Egiazarian, V. Katkovnik, and J. Astola, " Adaptive Window Size Image Denoising Based on ICI Rule", Proceedings of the 2001 IEEE International Conference on Acoustics, Speech, and Signal Processing, pp. 1869 - 1872, Salt Lake City, Utah, USA, May 7 - 11, 2001.
  219. R.S. Stankovic & J.T. Astola, "Some remarks on linear transform of variables in representation of adders by word-level expressions and spectral transform decision diagrams", Proceedings of 32nd IEEE International Symposium on Multiple-Valued Logic 2001, ISMVL 2001, pp. 116-122, Boston, Massachusetts, USA. IEEE Computer Society, May 15-18, 2001.
  220. M. Stankovic, R. Stankovic, J. Astola, and K. Egiazarian, "Bit-level and work-level polynomial expressions for functions in fibonacci interconnection topologies", Proceedings of 31st International Symposium on Multiple-Valued Logic, pp. 305 - 310, Warszawa, Poland, May 22 - 24, 2001.
  221. S. Abramov, V. , and J. Astola, "Adaptive myriad filter", NSIP 2001, Nonlinear Signal and Image Processing, Baltimore, MD USA, June 3-6, 2001.
  222. V. , A. Zelensky, V. Melnik, S. Peltonen, and J. Astola, "Locally adaptive filtering of data with mixed noise using preliminary rejection of outliers", "NSIP 2001, Nonlinear Signal and Image Processing, Baltimore, MD USA, June 3-6, 2001.
  223. V. Melnik, I. Schmulevich, K. Egiazarian, and J. Astola, "Image denoising based on locally- adaptive filtering in the median pyramidal transform domain", NSIP 2001 Nonlinear Signal and Image Processing Conference, Baltimore, MD USA, June 3-6, 2001.
  224. S. Peltonen, I. Tabus, J. Astola, E. Dougherty, and N. Hirata, "Robust Optimization of Stack Filters", NSIP 2001 Nonlinear Signal and Image Processing Conference, Baltimore, MD USA, June 3-6, 2001.
  225. I. Shmulevich, O. Yli-Harja, and J. Astola, "Inference of genetic regulatory networks under the best-fit extension paradigm", NSIP 2001, Nonlinear Signal and Image Processing, Baltimore, MD USA, June 3-6, 2001.
  226. I. Tabus, and J. Astola, "Using MDL gene expression prediction from microarray measurements", NSIP 2001, Nonlinear Signal and Image Processing, Baltimore, MD USA, June 3-6, 2001.
  227. M.G. Karkovsky, R.S. Stankovic, and J.T. Astola, "Construction of Linearly Transformed Binary Decision Diagrams by Total Autocorrelation Functions", Proceedings of the 2nd International Symposium on Image and Signal Processing and Analysis, pp. 137 - 144, Pula, Croatia, June 19 - 21, 2001.
  228. V. Labunets, A. Maidan, E. Labunets-Rundblad, and J. Astola, "Colour Triplet-Valued Wavelets and Splines", Proceedings of the 2nd International Symposium on Image and Signal Processing and Analysis, pp. 535 - 540, Pula, Croatia, June 19 - 21, 2001.
  229. V. Labunets, E. Labunets-Rundblad, K. Egiazarian, and J. Astola, "Fast Classical and Quantum Walsh Transforms", Proceedings of the 2nd International Symposium on Image and Signal Processing and Analysis, pp. 558 - 563, Pula, Croatia, June 19 - 21, 2001.
  230. V. Labunets, E. Labunets-Rundblad, and J. Astola, "Fast Classical and Quantum Fractional Haar Wavelet Transform", Proceedings of the 2nd International Symposium on Image and Signal Processing and Analysis, pp. 564 - 569, Pula, Croatia, June 19 - 21, 2001.
  231. M. Bhattacharya, T. Saramäki, And J. Astola, "Multiplierless Realization of Recursive Digital Filters", Proceedings of the 2nd International Symposium on Image and Signal Processing and Analysis, pp. 469 - 474, Pula, Croatia, June 19 - 21, 2001.
  232. S. Peltonen, M. Gabbouj, and J. Astola, "Nonlinear Filter Design: Methodologies and Challenges", Proceedings of the 2nd International Symposium on Image and Signal Processing and Analysis, pp. 102 - 107, Pula, Croatia, June 19 - 21, 2001.
  233. M. Stankovic, R. Stankovic, J. Astola, and K. Egiazarian, "Mathematics foundations for signal processing system synthesis through generalized Fibonacci intersonnections", 2nd International Symposium on Image and Signal Processing and Analysis, pp. 574 - 579, Pula, Croatia, June 19 - 21, 2001.
  234. R. Stankovic, and J. Astola, "Some remarks on linear transform of variables in adders, Proceedings of 5th International Workshop on Applications of the Reed-Muller Expansion in Circuits Design, pp. 294 - 302, Starkville, Mississippi, USA, August 10 - 11, 2001.
  235. R. Stankovic, C. Moraga, and J. Astola, "Reed-Muller expressions in the previous decade", Proceedings of 5th International Workshop on Applications of the Reed-Muller Expansion in Circuits Design, pp. 7 - 26, Starkville, Mississippi, USA, August 10 - 11, 2001.
  236. M. Bhattacharya, J. Astola, and T. Saramäki, "Multiplierless Implementation of Recursive Digital Filters Using A Class of Low Sensitivity Structures", The Sixth International Symposium on Signal Processing and Its Applications, ISSPA 2001, pp. 611 - 614, Kuala Lumpur, Malaysia, August 13 - 16, 2001.
  237. M. Bhattacharya, and J. Astola, "Recursive Structure for Linear Filtering using Number Theoretic Transform", ECCTD'01 - European Conference on Circuit Theory and Design, pp. I- 225 - 228, Espoo, Finland, August 28 - 31, 2001.
  238. R. Stankovic, M. Bhattacharya, and J. Astola, "Calculation of dyadic autocorrelation through decision diagrams, Proceedings of European Conference on Circuit Theory and Design, ECCTD'01, vol. 2, pp. 337 - 340, Espoo, Finland, August 28 - 31, 2001.
  239. M. Bhattacharya, and J. Astola, "Recursive structure for linear filtering using number theoretic transform", ICECS 2001. The 8th IEEE International Conference on Electronics, Circuits and Systems, pp. 525 - 528, Malta, September 2 - 5, 2001.
  240. K. Egiazarian, A. Gotchev, and J. Astola, "On Tree-Structured Haar Wavelets and Their Extension to Legandre Multi-Wavelets", Proceedings of CSIT Conference, pp. 17 - 20, Yerevan, Armenia, September 2001.
  241. N.N. Ponomarenko, K. Egiazarian, V. , & J. Astola, "Lossless acceleration of fractal compression using domain and range block local variance analysis", Proceedings of ICIP 2001, 2001 IEEE International Conference on Image Processing, pp. 419 - 422, Thessaloniki, Greece, October 7-10, 2001.
  242. H. Öktem, V. Katkovnik, K. Egiazarian, & J. Astola, "Local adaptive transform based image de- noising with varying window size", Proceedings ICIP 2001, IEEE International conference on image processing, pp. 273 - 276, Thessaloniki, Greece, October 7-10, 2001.
  243. S. K. Abramov, V. V. , A. A. Zelensky & J.T. Astola, "Blind evaluation of noise variance in iamges using myriad operation", Proceedings of Image Processing: Algorithmsand Systems, pp. 192-203, San Jose, USA, Proceedings of SPIE. 4667. SPIE, 21-23 January 2002.
  244. S. Agaian, H. Sarukhanyan, & J. Astola, "Multiplicative theorem based fast Williamson-Hadamard transforms", In: Dougherty, E. R. et al. (eds). Image Processing: Algorithms and Systems, Proceedings of SPIE, pp. 82-91, San Jose, USA, January, 21-23, 2002.
  245. C. Mircean, I. Tabus, & J. Astola, "Quantization and distance function selection for discrimination of tumors using gene expression data", Functional Monitoring and Drug-Tissue Interaction, Proceedings of SPIE, pp. 1-12, San Jose, California, USA, 21-24 January, 2002.
  246. N. N. Ponomarenko, V. V. , K. Egiazarian, & J. T. Astola, "Digital elevation map reconstruction from isogram map using iterative DCT algorithm with nonlinear constraints", Image Processing: Algorithms and Systems, Proceedings of SPIE, pp. 358-364, San Jose, USA, January 21-23, 2002.
  247. S. Rafayelyan, E. Danielian, J. Astola, & K. Egiazarian, "Extension of the concept of wavelet to vector-functions", Image Processing: Algorithms and Systems, Proceedings of SPIE, pp. 396- 405, San Jose, USA, January 21-23, 2002.
  248. N. N. Ponomarenko, K. Egiazarian, V. V. , & J. T. Astola, "Compression of image block means for non-equal block size partition schemes using delaunay triangulation and prediction", Proceedings of Data Compression Conference, DCC 2002, p. 468, Snowbird, Utah, USA, April 2-4, 2002.
  249. B. Ryabko, G. Marchokov, K. Egiazarian, and J. Astola, "The fast algorithm for the block arithmetic code and its applications to image compression", Proceedings of International Workshop on Trends and Recent Achievements in Information Technology, pp. 58 - 61, Cluj- Napoca, Romania, 16 - 18, May, 2002.
  250. H. Sarukhanyan, A. Anoya, K. Egiazarian, J. Astola, and S. Agaian, "Codes generated from Hadamard Matries", Proceedings of International Workshop on Trends and Recent Achievements in Information Technology, pp. 7 - 18, Cluj-Napoca, Romania, 16 - 18, May, 2002.
  251. K. Egiazarian, R. Stankovic, J. Astola & H. Huttunen, "Using a spectral technique, genetic algorithms and decision diagrams for finding unconditional table tests", Proceedings of the 2002 IEEE International Symposium on Circuits and Systems, ISCAS 2002, pp. 528-531, Phoenix, Arizona, USA, May 26-29, 2002.
  252. A. Klapuri, & J.T. Astola, "Efficient calculation of a physiologically-motivated representation for sound", In: Skodras, A.N. & Constantinides, A.G. (Eds.). DSP2002, 14th International Conference on Digital Signal Processing Proceedings, pp. 587-590, Santorini, Greece, July 1-3, 2002.
  253. I. Tabus, J. Rissanen,& J. Astola, "A classifier based on normalized maximum likelihood model for classes of boolean regression models", Proceedings of EUSIPCO 2002, XI European Signal Processing Conference, September 3-6, 2002, Toulouse, France, Vol. 1, pp. 119 - 122, 2002.
  254. R.S. Stankovic, & J. Astola, "Relationships between Logic Derivates and Ternary Decision Diagrams" Proceedings of the 5th International Workshop on Boolean Problems, pp. 53-60, Freiberg, Germany, 19-20 September 2002.
  255. V.V. , N.N. Ponomarenko, S.K. Abramov, K.O. Egiazarian, & J.T. Astola, "Automated Robust Procedure for SAR Image Filtering and Preliminary Analysis", Proceedings of SPIE, SAR Image Analysis, Modeling, and Techniques, pp. 48-59, Crete, Greece, 23 - 27 September 2002.
  256. S. Hautaniemi, M. Ringner, P. Kauraniemi, A. Kallioniemi, H. Edgren,O. Yli-Harja, J. Astola, & O-P. Kallioniemi, "A strategy for identifying putative causes of gene expression variation in human cancer", Proceedings of GENSIPS, Workshop on Genomic Signal Processing and Statistics, Raleigh, North Carolina, USA, October 11-13, 2002.
  257. D. Nicorici, J. Astola, & I. Tabus, "Computational identification of exons in DNA with a Hidden Markov Model", Proceedings of GENSIPS, Workshop on Genomic Signal Processing and Statistics, Raleigh, North Carolina, USA, October 11-13, 2002.
  258. H. Öktem, R. Pearson, O. Yli-Harja, D. Nicorici, K. Egiazarian, & J. Astola, "A computational model for simulating continuos time boolean networks", Proceedings of GENSIPS, Workshop on Genomic Signal Processing and Statistics, Raleigh, North Carolina, USA, October 11-13, 2002.
  259. I. Aizenberg, J. Astola, T. Bregin, C. Butakoff, K. Egiazarian, & D. Paliy, "Detectors of the Impulsive Noise and New Effective Filters for the Impulsive Noise Reduction", Proceedings of SPIE Electronic Imaging, Image Processing: Algorithms and Systems II, pp. 419-428, Santa Clara, California, USA, 21-23 January 2003.
  260. M. Ponomarenko, V.V. , S. K. Abramov, K.O. Egiazarian & J.T. Astola, "Blind evaluation of additive noise variance in textured images by nonlinear processing of block DCT coefficients", Proceedings of SPIE Electronic Imaging, Image Processing: Algorithms and Systems II, pp. 178-189, Santa Clara, California, USA, 21-23 January 2003.
  261. H. Sarukhanyan, S. Agaian, J. Astola, and K. Egiazarian, "Binary matrices, decomposition and multiply-add architectures", Proceedings of SPIE Electronic Imaging, Image Processing: Algorithms and Systems II, pp. 111-122, Santa Clara, California, USA, 21-23 January 2003.
  262. K. Egiazarian, R.S. Stankovic, J.T. Astola & M. Stankovic, "Construction of Compact Word- level Representations of Multiple-output Switching Functions by Wavelet Packets", Proceedings of the 6th International Symposum on Representations and Methodology of Future Computing Technology RM2003, pp. 77-84, Trier, Germany, 10-11 March 2003.
  263. R.S. Stankovic & J. Astola, "Application of Group Theory to Optimization Problems in Logic Design", Proceedings of the 6th International Symposium on Representations and Methodology of Future Computing Technology RM2003, pp. 35-42, Trier, Germany, 10-11 March 2003.
  264. R. Popov, A. Gotchev, K. Egiazarian & J. Astola, "Libraries of Anisotropic Non-dyadic Haar Bases", Proceedings of the 5th International Conference and exhibition on Digital Signal Processing and its Applications, pp. 169-171, Moscow, Russia, 12-14 March 2003.
  265. A.V. Totsky, I.V. Kurbatov, V.V. , K.O. Egiazarian, and J.T. Astola, "Combined bispectrum- filtering techniques for radar output signal recontruction in ATR applications", Proceeding sof Automatic Target Recognition XIII, pp. 301-312, Orlando, Florida, USA, 22-24 April, 2003.
  266. K. Egiazarian, J.T. Astola, R.S. Stankovic & M. Stankovic, "Circuit Design from Optimal Wavelet Packet Series Expressions", Proceedings of the 2003 IEEE International Symposium on Circuits and Systems, ISCAS 2003, pp. 597-600, Bangkok, Thailand, 25-28 May 2003.
  267. R.K. Pearson, M. Gabbouj & J. Astola, "Nonlinear FIR Filter Clones". Proceedings of 2003 IEEE - Eurasip Workshop on Nonlinear Signal and Image Processing, NSIP 2003, Grado-Trieste, Italy, 8-11 June 2003.
  268. J.A. Berger, S. K. Mitra & J. Astola, "Power Spectrum Analysis for dna Sequences". Proceedings of the Seventh International Symposium on Signal Processing and its Applications, ISSPA 2003, pp. 29-32, Paris, France, 1-4 July 2003.
  269. V.V. , A.V. Totsky, A. A. Kurekin, I.V. Kurbatov, J.T. Astola & K.O. Egiazarian, "Signal Waveform Reconstruction from Noisy Bespectrum Estimations Pre-processed by Vector Filters", Proceedings of the Seventh International Symposium on Signal Processing and its Applications, ISSPA 2003, pp. 169-172, Paris, France, 1-4 July 2003.
  270. I. Tabus & J. Astola, "Clustering the Non-uniformly Sampled Time Series of Gene Expression Data", Proceedings of the Seventh International Symposium on Signal Processing and its Applications, ISSPA 2003, pp. 61-64, Paris, France, 1-4 July 2003.
  271. C. Rusu, P. Kuosmanen & J. Astola, "Phase Approximation in Linear Frequency Domain", Proceedings of the 16th European Conference on Circuits Theory and Design, ECCTD'03, pp. 165-168, Cracow, Poland, 1-4 September 2003.
  272. I. Aizenberg, J. Astola, C. Butakoff, K. Egiazarian & D. Paliy, "Effective Detection and Elimination of Impulsive Noise with a Minimal Image Smoothing", Proceedings of IEEE International Conference on Image Processing, ICIP 2003, pp. 357-360, Barcelona, Spain, 14-17 September 2003.
  273. B. Ryabko, G., Marchokov, K. Egiazarian & J. Astola, "The Fast Algorithm for the Block Codes and its Application to Image Compression", Proceedings of IEEE International Conference on Image Processing, ICIP 2003, pp. 205-206, Barcelona, Spain, 14-17 September 2003.
  274. J.A. Berger, S. Hautaniemi, H. Edgren, O. Monni, S.K. Mitra, O. Yli-Harja & J. Astola, "Identifying Underlying Factors in Breast Cancer using Independent Component Analysis", Proceedings of 2003 IEEE International Workshop on Neural Networks for Signal Processing, NNSP 2003, pp. 81-90, Tolouse, France, 17-19 September 2003.
  275. E. Pogossova, K. Egiazarian & J. Astola, J. 2003. "Signal De-noising in Tree-structured Haar Basis", Proceedings of the 3rd International Symposium on Image and Signal Processing and Analysis, ISPA 2003, pp. 736-739, Rome, Italy, 18-20 September 2003.
  276. D. Nicorici & J. Astola, "Information Divergence Measures for Detection of Borders between Coding and Moncoding Dna Regions Using Recursive Entropic Segmentation", Proceedings of the 2003 IEEE Workshop on Statistical Signal Processing, pp. 557-560, St. Louis, MO, USA, September 28 - October 1, 2003.
  277. J.T. Astola, K.O. Egiazarian, I.V. Kurbatov, & A.V. Totsky, "Object Recognition by Bispectrum Based Image Reconstruction in Additive Noise and Line Jitter Environment", "Proceedings of a Workshop on Computational Intelligence and Information Technologies", pp. 131-134, Nis, Yugoslavia, 13 October 2003.
  278. S. Agaian, H. Sarukhanyan, K. Egiazarian, & J. Astola, "Williamson-Hadamard Transforms: Design and Fast Algorithms", Proceedings of the XVIII International Scientific Conference on Information, Communication and Energy Systems and Technologies, ICEST 2003, pp. 199-208, Sofia, Bulgaria, 16-18 October 2003.
  279. K.O. Egiazarian, D. Rusanovskyy, and J.T. Astola, "Integer Orthogonal Transforms: Design, Fast Algorithms, and Applications", Proceedings of Electronic Imaging, Science and Technology 2004, San Jose, California, USA, pp. 278-289, January 19-21, 2004.
  280. A. Gotchev, D. Rysanovskyy, R. Popov, K. Egiazarian, and J. Astola, "Feature Extraction by Best Anisotropic Haar Bases in an OCR System", Proceedings of Electronic Imaging, Science and Technology 2004, San Jose, California, USA, pp. 504-515, January 19-21, 2004.
  281. C. Mircean, I. Tabus, and J. Astola, T. Kobayashi, H. Shiku, M. Yamaguchi, I. Shmulevich, and W. Zhang, "Quantization and similarity measure selection for discrimination of lymphoma subtypes under k-nearest neighbor classification", Proceedings of Microarrays and Combinatorial Techniques: Design, Fabrication, and Analysis II, SPIE, San Jose, California, USA, Vol. 5328, pp. 6-16, 25-26 January 2004.
  282. N.N. Ponomarenko, V.V. , K.O. Egiazarian, and J.T. Astola, "Robust Lee Local Statistic Filter for Removal of Mixed Multiplicative and Impulse Noise", Proceedings of Electronic Imaging, Science and Technology 2004, San Jose, California, USA, pp. 267-277, January 19-21, 2004.
  283. E.B. Bilcu, J. Astola, and J. Saarinen, "Recurrent neural networks with both side input context dependence for text-to-phoneme mapping". Proceedings of the 2004 First International Symposium on Control, Communications and Signal Processing, ISCCSP 2004, Hammamet, Tunisia, pp. 599-602, 21-24 March 2004.
  284. E.B. Bilcu, J. Astola, and J. Saarinen, "A hybrid neural network / rule based system for bilingual text-to-phoneme mapping". Proceedings of the 2004 IEEE Signal Processing Society Workshop, Machine Learning for Signal Prosessing XIV, MLSP 2004, Sao Luis, Brazil, 29.9.-1.10.2004. pp. 345-354, 2004.
  285. I. Tabus, C.D. Giurcaneanu, and J. Astola, "Genetic networks inferred from time series of gene expression data", Proceedings of 2004 First International Symposium on Control, communications and signal Processing, ISCCSP 2004, pp. 755-758, Hammamet, Tunisia, 21-24 March 2004
  286. B. Ryabko and J. Astola, "Universal Coding of Function Spaces as a Model for Signal Compression". Proceedings of Data Compression Conference, Snowbird, Utah, USA. pp. 382- 388, 23-25 March, 2004,
  287. B. Ryabko and J. Astola, "Adaptive Coding and Prediction of Sources with Large and Infinite Alphabets". Proceedings of Data Compression Conference, Snowbird, Utah, USA. p. 560, 23-25 March, 2004.
  288. B. Ryabko and J. Astola, "Fast Codes for Large Alphabet Sources and Its Application to Block Encoding". Proceedings of Data Compression Conference, Snowbird, Utah, USA. p. 561, 23-25 March, 2004.
  289. B. Ryabko & J. Astola, "Prediction and adaptive coding of sources with large or infinite alphabet". Proceedings of 2004 IEEE International Symposium on Informtion Theory, ISIT 2004, Chicago, Illinois, USA, 27 June - 2 July 2004. p. 24, 2004.
  290. V. Uzunov, A. Gotchev, K. Egiazarian, and J. Astola, "Anisotropic local transform based average filtering". Proceedings of the 6th International Conference on Digital Signal Processing and its Applications, DSPA 2004, Moscow, Russia, 6. 2, pp. 3-5, March 31 - April 2, 2004.
  291. M.G. Karpovsky, R.S. Stankovic, and J.T. Astola, "Construction of Linearly Transformed Planar BDD by Walsh Coefficients", Proceedings of 2004 IEEE International Symposium on Circuits and Systems ISCAS 2004, pp. IV, 517-520, Vancouver, Canada, May 25-26, 2004.
  292. C.D. Giurcaneanu, I. Tabus, and J. Astola, "Clustering time series gene expression data based on sum-of-exponentials fitting", Proceedings of Workshop on Genomic Signal Processing and Statistics, GENSIPS 2004, Baltimore, USA, 4 p, 26-27 May 2004.
  293. D. Nicorci, O. Yli-Harja, and J. Astola, "An MDL method for finding large domains of similarly expressed genes", Proceedings of Workshop on Genomic Signal Processing and Statistics, GENSIPS 2004, Baltimore, USA, 4p., 26-27 May 2004.
  294. K.O. Egiazarian, D.Rusanovskyy, and J.T. Astola, "Integer Orthogonal Transforms: Design, Fast Algorithms, and Applications", Proceedings of XII European Signal Processing Conference, EUSIPCO-2004, Vienna, Austria, pp. 278-289, September 6-10, 2004.
  295. A. Gotchev, D. Rusanovskyy, R. Popov, K. Egiazarian, and J. Astola, "Feature Extraction by Best Anisotropic Haar Bases in an OCR System", Proceedings of XII European Signal Processing Conference, EUSIPCO-2004, Vienna, Austria, pp. 504-515, September 6-10, 2004.
  296. N.N. Ponomarenko, V.V. , K.O. Egiazarian, and J.T. Astola, "Robust Lee Local Statistic Filter for Removal of Mixed Multiplicative and Impulse Noise", Proceedings of XII European Signal Processing Conference, EUSIPCO-2004, Vienna, Austria, pp. 267-277, September 6-10, 2004.
  297. C. Rusu, and J. Astola, "Sequences Ordering in Minimum-Phase Sequences", Proceedings of XII European Signal Processing Conference, EUSIPCO-2004, Vienna, Austria, pp. 93-96, September 6-10, 2004.
  298. V. Katkovnik, A. Foi, K. Egiazarian, and J. Astola, "Directional Varying Scale Approximations for Anisotropic Signal Processing", Proceedings of XII European Signl Processing Conference, EUSIPCO-2004, Vienna, Austria, pp. 101 - 104, September 6-10, 2004.
  299. A.T. Totsky, J.T. Astola, K.O. Egiazarian, I.V. Kurbato, & V.V. , "Bispectrum-based reconstruction technique by tapering pre-distortion of image rows". Proceedings of the Seventh All-Ukrainian International Conference on Signal / Image Processing and Pattern Recognition, UkrOBRAZ'2004, Kiev, Ukraine, 11-15 October 2004. pp. 229-232, 2004.
  300. O.V. Tsymbal, V.V. , J.T. Astola & K.O. Egiazarian, "The algorithm of running sample sorting by list merging for RS-image L-filtering". Proceedings of the Seventh All-Ukrainian International Conference on Signal / Image Processing and Pattern Recognition, UkrOBRAZ'2004, Kiev, Ukraine, 11-15 October 2004. pp. 225-228, 2004.
  301. O.V. Tsymbal, V.V. , J.T. Astola & K.O. Egiazarian, "The algorithm of running sample sorting by list merging for RS-image L-filtering". Proceedings of the Seventh All-Ukrainian International Conference on Signal / Image Processing and Pattern Recognition, UkrOBRAZ'2004, Kiev, Ukraine, 11-15 October 2004. pp. 225-228, 2004.
  302. R.S. Stankovic, J. Astola, and K. Egiazarian, "Remarks on Symmetric Binary and Multiple-Valued Logic Functions", Proceedings of the 6th International Workshop on Boolean Problems, Freiberg, Germany, pp. 83-88, September 23-24, 2004.
  303. E. Pogossova, K. Egiazarian, and J. Astola, "Relation between Boolean Functions and Spreading Sequences for MC-CDMA Transmission", Proceedings of the 6th International Workshop on Boolean Problems, Freiberg, Germany, pp. 97-102, September 23-24, 2004.
  304. E. Pogossova, K. Egiazarian, and J. Astola, "Spreading sequences for downlink MC-CDMA transmission". Proceedings of the 2004 IEEE 60th Vehicular Technology Conferences. 5 p, 2004.
  305. M. Stankovic, and J. Astola, "Variable Ordering in SBDD Considering Function in Spectral Domain" Proceedings of the 6th International Workshop on Boolean Problems, Freiberg, Germany, pp. 265-270, September 23-24, 2004.
  306. C. Rus, C. Rusu, and J. Astola, "Elevation Contours Extraction from A Color-Coded Relief Scanned Map", IEEE International Conference on Image Processing, Singapore, pp. 1699-1702, October 24-27, 2004.
  307. H. Essaky Sankaran, A. Gotchev, K. Egiazarian. & J. Astola, "Complex wavelets versus gabor wavelets for facial feature extraction: a comparative study", Proceedings of SPIE and IS&T Electronic Imaging, Image Processing: Algorithms and Systems IV, Vol. 5672, pp. 407 - 415, San Jose, California, USA, 17-18 January 2005.
  308. C. Kalchev, A. Boev, A. Gotchev, K. Egiazarian. & J. Astola, "Motion estimation algorithms based on complex halfband filters for OMAP platform", Proceedings of SPIE-IS&T Electronic Imaging, Multimedia on Mobile Devices, San Jose, California, USA, Vol. 5684, pp. 43-54, 16-20 January 2005.
  309. V. Katkovnik, A. Foi, K. Egiazarian & J. Astola, "Anisotropic local likelihood approximations: theory, algorithms, applications", Proceedings of Electronic Imaging 2005, Image Processing: Algorithms and Systems IV, San Jose, California, USA, Vol. 5672, pp. 181-192, 17-18 January 2005.
  310. N.N. Ponomarenko, V.V. , A.A. Zelensky, K. Egiazarian & J. Astola, "Locally adaptive image filtering based on learning with clustering", Proceedings of SPIE and IS&T Electronic Imaging, Image Processing: Algorithms and Systems IV, San Jose, California, USA, Vol. 5672, pp. 94-105 17-18 January 2005.
  311. V. Uzunov, A. Gotchev, H. Huttunen, K. Egiazarian & J. Astola, "Character recognition by best anisotropic local bases and neural networks", Proceedings of SPIE and IS&T Electronic Imaging, Image Processing: Algorithms and Systems IV, San Jose, California, USA, Vol. 5672, pp. 151-160, 17-18 January 2005.
  312. N. Ponomarenko, V. , K. Egiazarian & J. Astola, "DCT based high quality image compression", Lecture notes in computer science, Vol. 3540, pp. 1177-1185, 2005.
  313. N. Ponomarenko, V. , M. Zriakhov, K. Egiazarian & J. Astola, "Lossy compression of images with additive noise", Lecture notes in computer science, Vol.3708, pp. 381-386, 2005.
  314. N.N. Ponomarenko, K. Egiazarian, V.V. & J. Astola, "Cascade fractal image compression and its modification", Proceedings of 2005 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2005, Pennsylvania, Philadelphia, USA, Vol. 2, pp. 361-364, 18-23 March 2005.
  315. V. Uzunov, A. Gotchev, K. Egiazarian & J. Astola, "Face detection by optimal atomic decomposition", Proceedings of SPIE Optics and Photonics 2005: Algorithms, Architectures, and Devices and Mathematical Methods, Mathematical Methods in Pattern and Image Analysis, San Diego, California, USA, Vol. 5916, 12 pp, 31 July - 4 August 2005.
  316. V.V. , P.T. Koivisto, N.N. Ponomarenko, S.K. Abramov & J.T. Astola, "Two-stage methods for miced noise removal", Proceedings of International Workshop on Nonlinear Signal and Image Processing, NSIP 2005, Sapporo, Japan, pp. 128-133, 18-20 May 2005.
  317. D. Nicorici, O. Yli-Harja & J. Astola, "Cluster structure inference for microarray data via MDL principle", Proceedings of GENSIPS IEEE International Workshop on Genomic Signal Processing & Statistics 2005, 2 pp., New Port, Rhode Island, USA, 22-24 May 2005.
  318. S. Minasyan, J. Astola & D. Guevorkian, "An image compression scheme based on parametric haar-like transform", Proceedings of 2005 IEEE International Symposium on Circuits and Systems, ISCAS 2005, Kobe, Japan, pp. 2088-2091, 23-26 May 2005.
  319. A. Mesaros & J. Astola, "Inter-dependence of spectral measures for the singing voice", Proceedings of International Symposium on Signal, Circuits and Systems, ISSCS 2005, Iasi, Romania, Vol. 1, pp. 307-310, 14-15 July 2005.
  320. D. Nicorici, J. Astola & O. Yli-Harja, "Estimating the number of clusters in microarray data sets based on an information theoretic criterion", Proceedings of IEEE 13th Workshop on Statistical Signal Processing, SSP'05, Bordeaux, France, 5 pp., 17-20 July 2005.
  321. C.D. Giurcaneanu, I. Tabus & J. Astola, "Inferring a gene subnetwork from non-uniformly sampled data", Proceedings of the 2nd International conference on Computational Inteeligence in Medical and Healthcare, CIMED 2005, Costa da Caparica, Portugal, 29 June - 1 July 2005, pp. 175-181, 2005.
  322. V.V. , S. K Abramov, A. A. Zelensky & J.T Astola, "Myriad based shift parameter estimation method and its application to image filtering and processing", Proceedings of SPIE Optics and Photonics 2005: Algorithms, Architectures, and Devices and Mathematical Methods, Mathematical Methods in Pattern and Image Analysis, San Diego, California, USA, Vol. 5916, pp. 12, 31 July - 4 August 2005.
  323. B. Barliga, I. Tabus, J. Rissanen & J. Astola, "Image denoising based on Kolmogorov structure function for a class of hierarchical image models", Proceedings of SPIE Optics and Photonics 2005: Algorithms, Architectures, and Devices and Mathematical Methods, Mathematical Methods in Pattern and Image Analysis, San Diego, California, USA, Vol. 5916, pp. 10, 31 July - 4 August 2005.
  324. E. B. Bilcu, J. Astola & J. Saarinen, "Comparative study of letter encoding for text-to-phoneme mapping", Proceedings of 13. European Signal Processing Conference, EUSIPCO, pp. 4, Antalya, Turkey, 4-8 September 2005.
  325. S. Minasyan, J. Astola & D. Guevorkian, "Multiple adaptive transform based image compression technique", Proceedings of the Fifth IASTED International Conference Visualization, Imaging, and Image Processing, Benidorm, Spain, pp. 259-262, 7-9 September 2005.
  326. C. Rus & J. Astola & C. Rusu, "From a physical scanned map to a digital elevation model using the legend and kriging", Proceedings of 13. European Signal Processing Conference, EUSIPCO 2005, Antalya, Turkey, 4 pp., 4-8 September 2005.
  327. C. Rus & J. Astola, "Legend based elevation layers extraction from a color-coded relief scanned map", Proceedings of International Conference on Image Processing, ICIP 2005, Genova, Italy, Vol. 2, pp. 237-240, 11-14 September 2005.
  328. M. Ponomarenko, K. Egiazarian, V. & J. Astola, "Additional lossless compression of JPEG images", Proceedings of the 4th International Symposium on Image and Signal Processing and Analysis, Zagreb, Croatia, pp. 117-120, 15-47 September 2005.
  329. S. Minasyan, J. Astola & D. Guevorkian, "Applications of fast parametric transforms", Proceedings of the Conference on Computer Science and Information Technologies, CSIT 2005, Yerevan, Armenia, pp. 325-329, 19-23 September 2005.
  330. S. Minasyan, J. Astola & D. Guevorkian, "On unified architectures for synthesizing and implementation of fast parametric transforms", Proceedings of the Fifth International Conference on Information, Communications and Signal Processing, ICICS 2005, Bangkok, Thailand, 5 p., 6-9 December 2005.
  331. A.V. Totsky, I.V. Kurbatov, G.I. Khlopov, S.I. Khomenko, V.Ye. Morozov, J.T. Astola, K.O. Egiazarian, "Time-Frequency Analysis of Radar Backscattered Signals using Phase Coupled Frequencies extracted from Time-Varying Bispectrum Estimates", Proceedings of XVI International Conference on Microwaves, Radar and Wireless Communications, Krakow, Poland pp. 203-206, May 22-26, 2006.
  332. J. Astola & R.S. Stankovic, "Signal processing algorithms and multiple-valued logic design methods", Proceedings of the 36th International Symposium on Multiple-Valued Logic, ISMVL 2006, Singapore, 8 p., 17-20 May 2006.
  333. R. Autio, S. Kilpinen, M. Saarela, S. Hautaniemi, O. Kallioniemi & J. Astola, "The weibull distribution based normalization method for affymetrix gene expression microarray data". Proceedings of the 2006 IEEE International Workshop on Genomic Signal Processing and Statistics, Gensips 2006, College Station, Texas, USA, pp. 9-10, 28-30 May 2006.
  334. K. Egiazarian, J. Astola, N. Ponomarenko, V. , F. Battisti & M. Carli, "Two new full-reference quality metrics based on HVS", Proceedings of the Second International Workshop on Video Processing and Quality Metrics for Consumer Electronics, VPQM 2006, Scottsdale, Arizona, USA, 4 p., 22-24 January 2006.
  335. V. , A. Totsky, D. Fevralev, A. Roenko, J. Astola & K. Egiazarian, "Adaptive combined bispectrum-filtering signal processing in radar systems with low SNR", Proceedings of the 2006 IEEE International Symposium on Circuits and Systems, ISCAS 2006, Island of Kos, Greece, pp. 3690-3693, 21-24 May 2006.
  336. V.V. , N.N. Ponomarenko, A.A. Zelensky, J.T. Astola & K.O.Egiazarian, "Automatic design of locally adaptive filters for pre-processing of images subject to further interpretation", Proceedings of the 7th Southwest Symposium on Image Analysis and Interpretation, Denver, Colorado, USA, pp. 41-45, 26-28 March 2006.
  337. C. Moraga, R. Stankovic & J. Astola, "Properties of matrix-valued spectral coefficients obtained with the Fourier transform on a non-Abelian group", Proceedings of the 36th International Symposium on Multiple-Valued Logic, ISMVL 2006, Singapore, 6 p., 17-20 May 2006.
  338. D. Nicorici, O. Yli-Harja & J. Astola, "Cluster structure inference for microarray data based on an information theoretic criterion", Proceedings of the 2006 IEEE International Workshop on Genomic Signal Processing and Statistics, Gensips 2006, College Station, Texas, USA, pp. 87-88, 28-30 May 2006.
  339. N. Ponomarenko, V. , K. Egiazarian, J. Astola, B. Vozel, and K. Chehdi, "Hybrid Sigma Filter for Processing Images Corrupted by Multiplicative Noise", Proceedings of 8th International Conference, ACIVS 2006, Antwerp, Belgium, pp. 46-54, September 18-21, 2006.
  340. R.S. Stankovic, J.T. Astola, "Fourier representations of switching functions for circuit design", Proceedings of the 7th Workshop on Boolean Problems, Freiberg, Germany, September 21-22, 2006.

 

 

Other International Conference Articles

 

  1. H. Huttunen, P. Koivisto, P. Kuosmanen and J. Astola, "Genetic Algorithms and Soft Morphological Filters", Proc. of The First Nordic Workshop on Genetic Algorithms, Vaasa, January, 1995.
  2. P. Kuosmanen, J. Astola, S. A. Kassam, "Relation between Modified Trimmed Mean Filters and M-Estimators", Proc. of NORSIG `96, 1996 IEEE Nordic Signal Processing Symposium, pp. 25 - 28, Espoo, Finland, September 1996.
  3. F. Alaya Cheikh, M. Gabbouj, R. Hamila, J. Astola, "Fuzzy Weighted Mean Filter for Color Image Restoration", Proc. of NORSIG `96, 1996 IEEE Nordic Signal Processing Symposium, pp. 29 - 32, Espoo, Finland, September 1996.
  4. K. Koppinen, O. Vainio and J. Astola, "Analysis and Design of Polynomial Predictors", Proc. of NORSIG `96, 1996 IEEE Nordic Signal Processing Symposium, pp. 45 - 48, Espoo, Finland, September 1996.
  5. O. Vainio, J. Yli-Hietanen and J. Astola, "FIR-Median Hybrid Filters with Generalized Predictive Substructures", Proc. of NORSIG `96, 1996 IEEE Nordic Signal Processing Symposium, pp. 49 - 52, Espoo, Finland, September 1996.
  6. D. Z. Gevorkian, J. T. Astola and S. M. Atourian, "On Computation of 1-D and 2-D Running Min and Max Filters", Proc. of NORSIG `96, 1996 IEEE Nordic Signal Processing Symposium, pp. 155 - 158, Espoo, Finland, September 1996.
  7. J. Yli-Hietanen, K. Kalliojärvi and J. Astola, "Robust Time-Delay Based Angle of Arrival Estimation", Proc. of NORSIG `96, 1996 IEEE Nordic Signal Processing Symposium, pp. 219 - 222, Espoo, Finland, September 1996.
  8. M. Helsingius, S. Atourian, D. Akopian and J. Astola, "Multibase Transform Coding of Images", Proc. of NORSIG `96, 1996 IEEE Nordic Signal Processing Symposium, pp. 255 - 258, Espoo, Finland, September 1996.
  9. K. Halonen, P. Kuosmanen and J. Astola, "An Adaptive Modified Trimmed Mean", Proc. of NORSIG `96, 1996 IEEE Nordic Signal Processing Symposium, pp. 283 - 286, Espoo, Finland, September 1996.
  10. K. Egiazarian and J. Astola, "Transform Domain Analysis and Implementation of Extenden Threshold Boolean Filters", Proc. of NORSIG `96, 1996 IEEE Nordic Signal Processing Symposium, pp. 287 - 290, Espoo, Finland, September 1996.
  11. Q. Liu, S. Samb and J. Astola, "Fast Algorithm for Calculating the Matched Complex Median for Frank Code Compression", Proc. of NORSIG `96, 1996 IEEE Nordic Signal Processing Symposium, pp. 295 - 298, Espoo, Finland, September 1996.
  12. V. V. , V.P Melnik, A. A. Zelensky, J.T. Astola and P. Kuosmanen, "Iterative Nonlinear Filtering Algorithm with Application to SAR and Medical Image Processing", Proc. of NORSIG `96, 1996 IEEE Nordic Signal Processing Symposium, pp. 299 - 302, Espoo, Finland, September 1996.
  13. A. Mitra, D. Kundu, K. Egiazarian and J. Astola, "Estimating Superimposed Exponential Signals in Presence of Impulsive Noise", Proc. of NORSIG `96, 1996 IEEE Nordic Signal Processing Symposium, pp. 315 - 318, Espoo, Finland, September 1996.
  14. K. Egiazarian, J. Astola, S. Atourian and D. Gevorkian, "Joint Transform Domain/FFT Ordered LMS Adaptive Digital Filters", Proc. of NORSIG `96, 1996 IEEE Nordic Signal Processing Symposium, pp. 343 - 346, Espoo, Finland, September 1996.
  15. R. Niemistö, I. Tabus and J. Astola, "New O(N) QR-Decomposition Based Algorithms for Adaptive Parameter Identification", Proc. of NORSIG `96, 1996 IEEE Nordic Signal Processing Symposium, pp. 347 - 350, Espoo, Finland, September 1996.
  16. O. Vainio, D. Akopian and J. Astola, "A Synthesizable Stack Filter ASIC Macro", Proc. of 14th NORCHIP Conference, pp. 172 - 178, Helsinki, Finland, November 1996.
  17. N. Aizenberg, I. Aizenberg, K. Egiazarian, and J. Astola, "An Introduction to Algebraic Theory of Discrete Signals", Proceedings of First International Workshop on Transforms and Filterbanks, TICSP Series-1, Tampere, Finland, pp. 70 - 94, February 23 - 25, 1998.
  18. D. Akopian, and J. Astola, "Fast Architecture Oriented Algorithms for 4 Trigonometric Transforms and Their Mapping to Scalable Stuctures". Proceedings of First International Workshop on Transforms and Filterbanks, Tampere, TICSP Series. 1, pp. 433-470, February 23- 25, 1998.
  19. K. Egiazarian, J. Astola, N. Aizenberg, and I. Aizenberg, "Binary Polynomial Transforms with Applications in Technical Diagnostics and Signal Processing", Proceedings of First International Workshop on Transforms and Filterbanks, TICSP Series-1 pp. 197 - 231, Tampere, Finland, February 23 - 25, 1998.
  20. D. Gevorkian, S. Agaian, and J. Astola, "Unified Parallel Realizations of Fourier-like and Haar- like Transforms, Proceedings of First International Workshop on Transforms and Filterbanks, TICSP Series-1, pp. 391 - 432, Tampere, Finland, February 23 - 25, 1998.
  21. K. Egiazarian, J. Astola, and S. Agaian, "Orthogonal Transforms based on Generalized Fibonacci Recursions", Proceedings of Second International Workshop on Transforms and Filter Banks, pp. 457 - 473, Brandenburg an der Havel, Germany, March 5 - 7, 1999.
  22. D. D. Gevorkian, S. Agaian, and J. Astola, "Computational Models and Complexity Analysis for Discrete Linear Transforms; in Proceedings of Second International Workshop on Transforms and Filter Banks, pp. 15 - 30, Brandenburg an der Havel, Germany, March 5 - 7, 1999.
  23. E. Rundblad-Labunets, V. Labunets, L. Astola, J. Astola, and K. Egiazarian, "Fast Algorithms of Multidemensional Discrete Nonseparable K-Wave Transforms and Volterra Filtering", Proceedings of Second International Workshop on Transforms and Filter Banks, pp. 337 - 366, Brandenburg an der Havel, Germany, March 5 - 7, 1999.
  24. E. Rundblad-Labunets, V. Labunets, J. Astola, and K. Egiazarian, "Fast Fractional Fourier- Clifford Transforms", Proceedings of Second International Workshop on Transforms and Filter Banks, pp. 415 - 443, Brandenburg an der Havel, Germany, March 5 - 7, 1999.
  25. D. Akopian, M. Helsingius, and J. Astola, "Multibase Transform Coding Approach for Still Image Compression", in Proceedings of Second International Workshop on Transforms and Filter Banks, pp. 189 - 204, Brandenburg an der Havel, Germany, March 5 - 7, 1999.
  26. I. Tabus, C. Popeea, and J. Astola, "On Optimizing the Compaction Gain", Proceedings of Second International Workshop on Transforms and Filter Banks, pp. 279 - 293, Brandenburg an der Havel, Germany, March 5 - 7, 1999.
  27. I. Tabus, C. Popeea, and J. Astola, "On Optimizing the Compaction Gain", Proceedings of the Second International Workshop on Transforms and Filter Banks, Brandenburg and der Havel, Germany, March 5-7, 1999.
  28. K. Egiazarian & J. Astola. "Spatial Fourier Matrices and Transforms with Different Properties of Orthogonality". Norsig2000, Nordic Signal Processing Symposium, Vildmarkshotellet Kolmården, Sweden, pp. 89-92, June 13-June 15, 2000.
  29. K.O. Egiazarian, I.N. Aizenberg, N.N. Aizenberg, J. Astola, "On Generalized Discrete Fresnel Transforms". Proceedings of NORSIG'98, IEEE Nordic Signal Processing Symposium, Aalborg, Denmark. Center for PersonKommunikation, Aalborg University, pp. 129-132, Vigsö, Denmark, June 8-11, 1998.
  30. N.N. Aizenberg, I.N. Aizenberg, M. Stankovic, R. Stankovic, J. Astola, and K. Egiazarian, "Calculation of Golden Fibonacci Transform, Proceedings of the International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP'2001, pp. 25 - 32, Pula, Croatia, June 16 - 18, 2001.
  31. M. Bhattacharya, and J. Astola, "Some Application of Number Theoretic Transform in Digital Signal Processing", Proceedings of the International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP'2001, pp. 119 - 126, Pula, Croatia, June 16 - 18, 2001.
  32. A. Gotchev, K. Egiazarian, and J. Astola, "On Tree-Structured Legendre Multi-Wavelet Bases", Proceedings of the International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP'2001, pp. 51 - 56, Pula, Croatia, June 16 - 18, 2001.
  33. T.E. Krenkel, E.T. Krenkel, K.O. Egiazarian, and J.T. Astola, "Theory of Sobolev Cubature Formulas (SCF) and Sobolev Wavelets", Proceedings of the International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP'2001, pp. 71 - 74, Pula, Croatia, June 16 - 18, 2001.
  34. V. Labunets, A. Maidan, E. Labunets-Rundblad, and J. Astola, "Colour Triplet-Valued Wavelets, Splines and Median Filters", Proceedings of the International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP'2001, pp. 61 - 70, Pula, Croatia, June 16 - 18, 2001.
  35. V. Labunets, E. Labunets-Rundblad, and J. Astola, "Classical and Quantum Signal Theory on Abelian Hypergroups for Engineering", Proceedings of the International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP'2001, pp. 107 - 118, Pula, Croatia, June 16 - 18, 2001.
  36. H. Sarukhanyan, A. Anoyan, S. Agaian, K. Egiazarian, and J. Astola, "Fast Hadamard Transforms", Proceedings of the International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP'2001, pp. 33 - 40, Pula, Croatia, June 16 - 18, 2001.
  37. M. Stankovic, R.S. Stankovic, J. Astola, and K. Egiazarian, "Calculation of Golden Fibonacci Transforms", Proceedings of International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP'2001, pp. 25 - 32, Pula, Croatia, June 16-18, 2001.
  38. A.V. Totsky, O.V. Krylov, I.V. Kurbatov, V.V. , K. Egiazarian, and J. Astola, "Statistical Investigations of Bispectral Signal and Image Restoration for Gaussian and Non-Gaussian Noise Environments", Proceedings of the International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP'2001, pp. 231 - 241, Pula, Croatia, June 16 - 18, 2001.
  39. K. Tunyan, K. Egiazarian, and J. Astola, "Modified Focuss Algorithm using A New Class of Pseudoinverses", Proceedings of the International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP'2001, pp. 81 - 84, Pula, Croatia, June 16 - 18, 2001.
  40. I. Aizenberg, C. Butakoff, J.T. Astola, and K. Egiazarian, "Nonlinear Freqency Domain Filter for the Quasi-period Noise Removal", Proceedings of International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP'2002, pp. 147-153, Toulouse, France, TICSP Ser. 17, September 7-8,2002.
  41. P. Färm, E. Dubrova, R.S. Stankovic, and J.T. Astola, "A Conjunctive Decomposition of Multiple-Valued Functions", Proceedings of International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP'2002, pp. 227-234, Toulouse, France, September 7-8, 2002.
  42. C.D. Giurcaneanu, I. Tabus, and J. Astola, "Criteria for testing the equality on a subset of the covariance matrix spectrum and their applications", Proceedings of International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP'2002, pp. 19-26, Toulouse, France, TICSP Series # 17, September 7-8, 2002.
  43. E. Pogossova, K. Egiazarian, and J. Astola, "Fast algorithms and applications of TSH transform", Proceedings of International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP'2002, pp. 211-218 , Toulouse, France, TICSP Ser. 17, September 7-8,2002.
  44. N. Ponomarenko, V. , K. Egiazarian, & J.T. Astola, "Modified horizontal vertical partition scheme for fractal image compression", Proceedings of the 5th Nordic Signal Processing Symposium, NORSIG 2002, on board Hurtigruten, Norway, October 4-7, 2002.
  45. K. Egiazarian, V. Katkovnik & J. Astola, "A Novel Pointwise Spatially Adaptive Image Deblurring", Proceedings of the 2003 International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP 2003, pp. 71-78, Barcelona, Spain, 13-14 September 2003.
  46. V. Katkovnik, K. Egiazarian & J. Astola, "Adaptive Directional Kernel Estimation", Proceedings of the 2003 International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP 2003, pp. 173-180, Barcelona, Spain, 13-14 September 2003.
  47. R. Popov, A. Gotchev, K. Egiazarian & J. Astola, "Modified Ridgelet Transform for Text Recognition in Low-resolution TV Images", Proceedings of the 2003 International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP 2003, pp. 15-22, Barcelona, Spain, 13-14 September 2003.
  48. E. Pogossova, E. Dubrova, K. Egiazarian & J. Astola, "Fast Uniform BDD-based Algorithms for Computing Spectral Coefficients", Proceedings of the 2003 International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP 2003, pp. 181-188, Barcelona, Spain, 13-14 September 2003.
  49. S. Rafayelian, E. Danielian, J. Astola & K. Egiazarian, "A New Concept of Wavelet on Vector- functions", Proceedings of the 2003 International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP 2003, pp. 221-228, Barcelona, Spain, 13-14 September 2003.
  50. B. Ryabko & J. Astola, "Universal Coding of Function Spaces and its Application to Signal Representation and Compression", Proceedings of the 2003 International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP 2003, pp. 195-196, Barcelona, Spain, 13-14 September 2003.
  51. H. Sarukhanyan, S. Agaian, E. Egiazarian & J. Astola, "Parametric Reverse Jacket Transform", Proceedings of the 2003 International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP 2003, pp. 213-220, Barcelona, Spain, 13-14 September 2003.
  52. A. Foi, V. Katkovnik, K. Egiazarian, and J. Astola, "Inverse Halftoning Based on The Anisotropic LPA-ICI Deconvolution", Proceedings of SMMSP2004, Vienna, Austria, pp. 49-56, 11-12 September, 2004.
  53. A.V. Totsky, A.A. Roenko, V.V. , A.A. Zelensky, J. Astola, and K. Egiazarian, "Combined Bispectrum-Median Reconstruction of 1-D Signal Waveform", Proceedings of SMMSP2004, Vienna, Austria, pp. 87-93, 11-12 September, 2004.
  54. T.E. Krenkel, E.T. Krenkel, K.O. Egiazarian, and J.T. Astola, "Wavelet and Polylogarithms of Negative Integer Order", Proceedings of SMMSP2004, Vienna, Austria, pp. 183-187, 11-12 September, 2004.
  55. A. Norkin, A. Gotchev, K. Egiazarian, and J. Astola, "Multiple Description Image Coders using Whitening Transforms: Analysis and Comparative Study", Proceedings of SMMSP2004, Vienna, Austria, pp. 225-232, 11-12 September, 2004.
  56. S. Rafayelyan, E. Danielian, J. Astola, and K. Egiazarian, "Orthonormality of the Shannon-Kotelnikov System in Space of Two-Dimensional Vector-Functions", Proceedings of SMMSP2004, Vienna, Austria, pp. 259-262, 11-12 September, 2004.
  57. M. Bhattacharyan, R. Creutzburg, and J. Astola, "Some Historical Notes on Number Theoretic Transform", Proceedings of SMMSP2004, Vienna, Austria, pp. 289-296, 11-12 September, 2004.
  58. R.S. Stankovic, M.G. Karpovsky, and J.T. Astola, "Reduction of The Number of Coefficients in Arithmetic Expressions by Autocorrelation Functions", Proceedings of SMMSP2004, Vienna, Austria, pp. 317-324, 11-12 September, 2004.
  59. C. Rus, and C. Rusu, "DEM Extraction from A Color-Coded Relief Scanned Map", Proceedings of SMMSP2004, Vienna, Austria, pp. 159-166, 11-12 September, 2004.
  60. D. V. Fevralev, V. V. , A. V. Totsky, K. Egiazarian & J. Astola, "Signal shape reconstruction by dct-based filtering of Fourier spectrum recovered from bispectrum data", Proceedings of The 2005 International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP 2005, Vol. 30, pp. 55-62, Riga, Latvia, 20-22 June 2005.
  61. G. Petrosyan, H. Sarukhanyan, S. Agaian & J. Astola, "Robustness testing of some watermarking methods using IDCT-II", Proceedings of The 2005 International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP 2005, Riga, Latvia, pp. 89-94, 20-22 June 2005.
  62. C. Rusu & J. Astola, "About argument principle and discrete fouriers transforms", Proceedings of The 2005 International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP 2005, Riga, Latvia, pp. 41-46, 20-22 June 2005.
  63. C. Rusu, P. Kuosmanen & J. Astola, "Hilbert transform of discrete data: a brief review", Proceedings of The 2005 International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP 2005, Riga, Latvia, pp. 79-84, 20-22 June 2005.
  64. H. Sarukhanyan, S. Agaian, K. Egiazarian & J. Astola, "Reversible Hadamard transform", Proceedings of The 2005 International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP 2005, Riga, Latvia, pp. 33-40, 20-22 June 2005.
  65. R.S. Stankovic, J.T Astola & M.G. Karpovsky, "Remarks on history of abstract harmonic analysis", Proceedings of The 2005 International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP 2005, Riga, Latvia, pp. 27-32, 20-22 June 2005.
  66. I. Aizenberg, P. Ruusuvuori, O. Yli-Harja & J. Astola, "Multilayer neural network based on multi-valued neurons (MLMVN) applied to classification of microrarray gene expression data". In: Ruusuvuori, P. et al. (eds.). Proceedings of the 4th TICSP Workshop on Computational Systems Biology, WCSB 2006, Tampere, Finland, TICSP series 32, pp. 27-30, 12-13 June 2006.
  67. R. Autio, S. Kilpinen, S., Hautaniemi, O. Kallioniemi & J. Astola, Redefinition of probe sets inproves the comparability of the data between affymetrix array generations. In: Ruusuvuori, P. et al. (eds.). Proceedings of the 4th TICSP Workshop on Computational Systems Biology, WCSB 2006, Tampere, Finland, pp. 31-34, TICSP series 32, 12-13 June 2006.
  68. R.S. Stankovic, J.T. Astola, M.G. Karpovsky, "Some historic remarks on the sampling theorem", Proceedings of International Workshop on Spectral Methods and Multirate Signal Processing, SMMSP 2006, Florence, Italy, September 1-2, 2006.

 

Review-articles

  1. M. Gabbouj and J. Astola, Book Review of "Digital Signal Processing - A Computer-Based Approach" by Sanjit K. Mitra. Signal Processing no 66, pp. 119-121, 1998.

 

 

Articles in Finnish Conference

  1. L. Yin, J. Astola, and Y. Neuvo, "Robust Estimation of AR Model Using Median Operation", URSI, 20-21, November, Tampere, Finland, 1989.
  2. L. Koskinen, P. Kuosmanen and J. Astola, "New Morphological Filtering Method", Proc. of Finnish Artificial Intelligence Symposium 1992, Espoo, Finland, June 1992.
  3. K. Sehin, P. Kuosmanen, J. Astola and Olli Vainio, "Simple circuit for implementation of analog stack filters", Proc. of TUT Symposium on Signal Processing '94, Tampere, Finland, May 1994.
  4. K. Egiazarian and J. Astola, "Spectral Approach to the Calculation of the Joint Distribution of Stack Filters", Proc. of TUT Symposium on Signal Processing `94, Tampere University of Technology, Tampere, pp. 74-78, May 20, 1994.
  5. P. Kuosmanen and J. Astola, "Breakdown Probabilities of Stack Filters", Proc. of TUT Symposium on Signal Processing `94, Tampere University of Technology, Tampere, pp. 27-30, May 20, 1994.
  6. T. Viero, B.P. Dobrin, J. Astola and M. Gabbouj, "Further Analysis of Watershed Algorithms", Proc. of TUT Symposium on Signal Processing `94, Tampere University of Technology, Tampere, pp. 62-65, May 20, 1994.
  7. J. Astola and D. Gevorkian, "On High-speed VLSI Architectures for Order Statistic and Stack Filtering", Proc. of Finnish Signal Processing Symposium, FINSIG-`95, pp. 98 - 102, Espoo, June 1995.
  8. K. Egiazarian, L. Koskinen and J. Astola, "Generalized Fibonacci Cubes. An Unified Topology", Proc. of Finnish Signal Processing Symposium, FINSIG-`95, pp. 133 - 137, Espoo, June 1995.
  9. P. Koivisto, H. Huttunen, P. Kuosmanen and J. Astola, "On the Effect of Signal Quantization to the Optimization of Soft Morphological Filters", Proc. of the 1995 Finnish Signal Processing Symposium, FINSIG95, Espoo, June 1995
  10. D. Akopian, J. Takala, J. Astola and J. Saarinen, "A Multistage Interconnection Network for Parallel Viterbi Decoders", Proceedings of FINSIG'97 Conference, pp. 11-15, Pori, Finland, May 15, 1997
  11. S. Atourian, J. Astola, D. Gevorkian and K. Egiazarian, "Bit-Serial Implementation of K-Nearest Neighbour Filters", Proceedings of FINSIG'97 Conference, pp. 37-41, Pori, Finland, May 1997
  12. A. Dolia, V. , V. Melnik, J. Yli-Hietanen and J. Astola, "Techniques and Algorithms of Cross-Correlator Output Sequence Postprocessing for Wideband Signal Time Delay Estimate Accuracy Improvement", Proceedings of FINSIG'97 Conference, pp. 65-69, Pori, Finland, May 1997
  13. E. Rundblad, V. Labunets, J. Astola, K. Egiazarian, and A. Smaga, "Fast Fractional Fourier and Hartley Transforms", Proceedings of 1999 Finnish Signal Processing Symposium FINSIG'99, pp. 291-295, Oulu, May 31, 1999
  14. E. Rundbland, V. Labunets, A. Smaga, K. Egiazarian, and J. Astola, "New Fast Fourier, Hartley and Trigonometric Transforms", Proceedings of 1999 Finnish Signal Processing Symposium FINSIG'99, pp. 112-116, Oulu, May 31, 1999
  15. R. Autio, S. Hautaniemi, P. Kauraniemi, O. Yli-Harja, M. Wolf, J. Astola, & A. Kallioniemi, "High-throughput Identification of Amplifications and Deletions from CGH Data", Proceedings of the 2003 Finnish Signal Processing Symposium, FINSIG'03, pp. 227-230, Tampere, Finland, 19 May 2003.
  16. D. Nicorici, S. Hautaniemi, Ö. Öktem, O. Yli-Harja, & J. Astola, "Towards Identifying of Regulatory Gene Networks from Expression Data using KNN Classifier", Proceedings of the 2003 Finnish Signal Processing Symposium, FINSIG'03, Tampere, Finland, pp. 213-217, 19 May 2003.
  17. D. Nicorici, J. Berger, J. Astola, & S.K. Mitra, "Finding Borders between Coding and Noncoding dna Regions using Recursive Segmentation and Statistics of Stop Codons", Proceedings of the 2003 Finnish Signal Processing Symposium, FINSIG'03, Tampere, Finland, pp. 231-235, 19 May 2003.
  18. A. Norkin, K. Egiazarian, J. Takala, & J. Astola, "Multiple Description Coding of Video Based on 3D-DCT Pairwise Correlating Transform", Proceedings of the 2003 Finnish Signal Processing Symposium, FINSIG'03, pp. 182-185, Tampere, Finland, 19 May 2003.
  19. R. Autio, S. Hautaniemi, M. Ringner, P. Kauraniemi, H. Edgren, O. Yli-Harja, J. Astola, A. Kallioniemi, and O-P. Kallioniemi, "A method for finding putative causes of gene expression variation", Proceedings of the 2nd TICSP Workshop on Computational Systems Biology, WCSB'2004, Silja Opera, Helsinki-St.Petersburg, No. 24, pp. 29-30, 14-16 June 2004.
  20. C.D. Giurcaneanu, I. Tabus, and J. Astola, "Linear algebra results applied to differentatial equations model for gene ecpression data", Proceedings of the 2nd TICSP Workshop on Computational Systems Biology, WCSB'2004, Silja Opera, Helsinki-St.Petersburg, No. 24, pp. 31-32, 14-16 June 2004.
  21. D. Nicorici, O. Yli-Harja, and J. Astola, "Finding large domains of similarly expressed genes using recursive segmentation", Proceedings of the 2nd TICSP Workshop on Computational Systems Biology, WCSB'2004, Silja Opera, No. 24, pp. 45-46, Helsinki-St.Petersburg, 14-16 June 2004.
  22. R. Autio, S. Kilpinen, S. Hautaniemi, O. Kallioniemi & J. Astola, "Implementation of affymetrix microarray suite 5 analysis algorithms in Matlab", Proceedings of The 3rd TICSP Workshop on Computational Systems Biology, WCSB 2005, Tampere, Finland, Vol. 29, pp. 43-44, 13-14 June 2005.
  23. D. Nicorici, O. Yli-Harja & J. Astola, "Finding the number of clusters in a microarray data set", Proceedings of The 3rd TICSP Workshop on Computational Systems Biology, WCSB 2005, Tampere, Finland, Vol. 29, pp. 61-62, 13-14 June 2005.
  24. M. Saarela, R. Autio, S. Kilpinen, S. Hautaniemi & J. Astola, "Go finder: tool for describing a set of genes in terms of the gene ontology", Proceedings of The 3rd TICSP Workshop on Computational Systems Biology, WCSB 2005, Tampere, Finland, Vol. 29, pp. 71-72, 13-14 June 2005.

 

 

National Series

 

  1. J. Astola, "On the non-existence of certain perfect Lee-error-correcting codes", Ann. Univ. Turku, Ser. A I 167, pp. 13, 1975.
  2. J. Astola, "On perfect codes in the Lee-metric", Ann. Univ. Turku, Ser. A I 176, pp. 56, 1978.
  3. J. Astola, "On perfect Lee-codes over small alphabets of odd cardinality", in The Very Knowledge of Coding, Published on the occasion of the fiftieth birthday of Professor Aimo Tietäväinen, pp. 40-42, Turku, 1987.
  4. P. Kuosmanen and J. Astola, "Selection Probabilities", Department of Mathematical Sciences, University of Tampere, Tampere, Finland, Report 272, ISBN 951-44-3301-7, January 1993.

 

 

Laboratory Reports

 

  1. J. Astola and I. Virtanen, "A measure of overall statistical dependence based on the entropy concept", Proceedings of the University of Vaasa, 91, pp. 34, 1983.
  2. J. Astola, "The theory of Lee-codes", Lappeenranta university of Technology, Department of Physics and Mathematics, Research Report 1/1982.
  3. R. Hamila, J. Astola, M. Gabbouj and M. Renfors, "Teager Energy and the Ambiguilty Function", Tampere University of Technology, Signal Processing Laboratory, no. 2-1997, pp. 12, 1997.
  4. I. Tabus, C. Popeea, J. Rissanen and J. Astola, "Recursive Procedures for Extending the Alphabet of Markov Sources", no 1/98, ISBN 951-722-935-6, pp. 24, 1998.
  5. A. Klapuri, A.J. Eronen, and J.T. & Astola, "Automatic estimation of the meter of acoustic musical signals", nr. 1-2004, ISBN 952-15-1149-4, pp. 14, 2004.
  6. D. Nicorici, O. Yli-Harja & J. Astola, "Stochastic complexity of vectors containing cluster structure. Tampere University of Technology, Institute of Signal Processing, Report 2, Tampere. pp. 6, 2006.

 

 

Others

 

  1. P.G. Bergan, J. Astola, J. Arnbak, E. Neuhold, B. Wahlberg, I. Johansen, "Information Technology Research within the Technical-Industrial Research Institutes in Norway - An Evaluation, The Research Council of Norway, 1996.
  2. R. S. Stankovic, C. Moraga, and J. Astola, "Readings in Fourier Analysis on Finite Non-Abelian Group", TICSP Series #5, September 1999.
  3. R.S. Stankovic, M. Moraga. J.T. Astola, and K. Egiazarian, "Fibonacci Decision Diagrams", TICSP Series #8, 2000.
  4. L. Yaroslavsky, K. Egiazarian, and J. Astola, "Transform Domain Image Restoration Methods: Review, Comparison and Interpretation", TICSP Series #9, 2000.
  5. R. Stankovic, T. Sasao, and J. Astola, "Publications in the First Twenty Years of Switching Theory and Logic Design", TICSP Series #14, 2001.
  6. K. Egiazarian, R.S., Stankovic, J. Astola, & H. Huttunen. "Decision Diagram Representations for Fitness and Average Fitness Functions in Analysis of Genetic Algorithms". In: Mastorakis, N. (ed.) Artificial Intelligence Series, A Series of Reference and Textbooks: Advances in Fuzzy Systems and Evolutionary Computation. s. 290-292, 2001.
  7. V. Katkovnik, K. Egiazarian, and J. Astola, "Adaptive Varying Scale Methods in Image Processing, Part II, Denoising and Deblurring", TICSP Series #19, 2003.
  8. J. Astola and E. Danielian, "Regularly Varying Skewed Distributions generated by Birth-Death Process", TICSP Series #27, 2004.
  9. G.P. Kulemin, A.A. Zelensky, J.T. Astola, V.V. Lukin, K.O. Egiazarian, A.A. Kurekin, N.N. Ponomarenko, S.K. Abramov, O.V. Tsymbal, Y.A. Goroshko, and Y.V. Tarnavsky, "Methods and Algorithms for Pre-processing and Classification of Multichannel Radar Remote Sensing Images", TICSP Series #28, 2004.