Computational Imaging Group

Selected publications in coherent phase imaging and light field phase coding

  1. Katkovnik V., Hogasten N. , Egiazarian K., A novel two- and multi-level binary phase mask design for enhanced depth-of-focus submitted to Optical Engineering, 2017. (draft paper)

  2. Katkovnik, V., Shevkunov I., Petrov N.V., & Egiazarian, K. Computational super-resolution phase retrieval from multiple phase-coded diffraction patterns: simulation study and experiments. submitted to OPTICA, 2017. (draft paper) (demo code)

  3. Katkovnik, V. & Egiazarian, K. Sparse super-resolution phase retrieval from phase-coded noisy intensity patterns. Optical Engineering, 56(9), 094103, doi:10.1117/1.OE.56.9.094103, 2017. (draft paper) (demo code)

  4. Katkovnik, V., Ponomarenko, M. & Egiazarian, K. Sparse approximations in complex domain based on BM3D modeling. submitted to Signal Processing, Elsevier, 2017. (draft paper) (demo code)

  5. Katkovnik, V. & Egiazarian, K. Sparse phase imaging based on complex domain nonlocal BM3D techniques. Digital Signal Processing, Academic Press, 2017. (code) (paper) (webpage)

  6. Katkovnik, V., Shevkunov, I., Petrov, N.V. & Egiazarian, K. High-accuracy off-axis wavefront reconstruction from noisy data: local least square with multiple adaptive windows. Optics express, 24(22):25068-25083, Optical Society of America, 2016. (paper) (webpage)

  7. Trujillo-Sevilla, J., Katkovnik, V., Javidi, B. & Rodr\'\iguez-Ramos, J. Restoring Integral Images from Focal Stacks Using Compressed Sensing Techniques. Journal of Display Technology, 12(7):349-354, IEEE, 2016.

  8. Sahin, E., Katkovnik, V. & Gotchev, A. Super-resolution in a defocused plenoptic camera: a wave-optics-based approach. Optics letters, 41(5):998-1001, Optical Society of America, 2016. (paper)

  9. Katkovnik, V., Shevkunov, I., Petrov, N. & Egiazarian, K. Wavefront reconstruction in digital off-axis holography via sparse coding of amplitude and absolute phase. Optics letters, 40(10):2417-2420, Optical Society of America, 2015. (paper)

  10. Hongxing, H., Bioucas-Dias, J.M. & Katkovnik, V. Interferometric phase image estimation via sparse coding in the complex domain. IEEE Transactions on Geoscience and Remote Sensing, 53(5):2587-2602, IEEE, 2015. (Matlab code) (paper) (webpage)

  11. Katkovnik, V. & Bioucas-Dias, J. Wavefront reconstruction in phase-shifting interferometry via sparse coding of amplitude and absolute phase. JOSA A, 31(8):1801-1810, Optical Society of America, 2014. (code) (paper) (webpage)

  12. Katkovnik, V. & Astola, J. Sparse ptychographical coherent diffractive imaging from noisy measurements. JOSA A, 30(3):367-379, Optical Society of America, 2013. (code) (paper) (webpage)

  13. Migukin, A., Agour, M. & Katkovnik, V. Phase retrieval in 4f optical system: background compensation and sparse regularization of object with binary amplitude. Applied optics, 52(1):A269-A280, Optical Society of America, 2013. (paper) (webpage)

  14. Katkovnik, V. & Astola, J. Compressive sensing computational ghost imaging. JOSA A, 29(8):1556-1567, Optical Society of America, 2012. (code) (paper) (webpage)

  15. Katkovnik, V. & Astola, J. Phase retrieval via spatial light modulator phase modulation in 4f optical setup: numerical inverse imaging with sparse regularization for phase and amplitude. JOSA A, 29(1):105-116, Optical Society of America, 2012. (code) (paper) (webpage)

  16. Katkovnik, V. & Astola, J. High-accuracy wave field reconstruction: decoupled inverse imaging with sparse modeling of phase and amplitude. JOSA A, 29(1):44-54, Optical Society of America, 2012. (code) (paper) (webpage)

  17. Migukin, A., Katkovnik, V. & Astola, J. Wave field reconstruction from multiple plane intensity-only data, augmented Lagrangian algorithm. JOSA A, 28(6):993-1002, Optical Society of America, 2011. (code) (paper) (webpage)

  18. Katkovnik, V., Migukin, A. & Astola, J. Backward discrete wave field propagation modeling as an inverse problem: toward perfect reconstruction of wave field distributions. Applied optics, 48(18):3407-3423, Optical Society of America, 2009. (code) (paper) (web page)