Methods and Models for Biological Signals and Images

News


22.04.2016
Juha Pajula succesfully defended his PhD thesis Inter-Subject Correlation Analysis for Functional Magnetic Resonance Imaging - Properties and Validation.
06.11.2015
M2oBSI group participated in IEEE NSS/MIC/RTSD 2015 Conference in San Deago, USA with a poster presentation  (D. Us, E. Acar, U. Ruotsalainen, "Metal Artifact Reduction Based on Automated Sinogram Segmentation and Adaptive Multiresolution MAP Reconstruction Method").
01.12.2014
Juha Pajula and Jussi Tohka won the first prize in the Real-life cognition challange. More information about their work is available here.
17.04.2014
Antonietta Pepe succesfully defended her PhD thesis Statistical Shape Analysis in Neuroimaging: Methods, Challenges, Validation-Applications to the Study of Brain Asymmetries in Schizophrenia.
17.04.2014
Jussi Forma succesfully defended his PhD thesis Regional Characterization of Reconstruction Noise in Maximum Likelihood Estimates in Static and Dynamic PET: Towards Quantitative Tissue Heterogenity Studies.
11.04.2014
Uygar Tuna succesfully defended his PhD thesis Tomographic Image Reconstruction with Incomplete Projection Data.
26.10. - 03.11.2013
M2oBSI group participated in IEEE NSS/MIC/RTSD 2013 Conference with an oral presentation  (U. Tuna, D. Us, U. Ruotsalainen, "Metal Artifact Reduction Based on Multi-Level Sinogram Segmentation and Sequentially Applied MAP-EM Recostruction Method") and a poster (S. Peltonen, U. Tuna, U. Ruotsalainen, "1-D Interpolation Method for the HRRT PET Sinogram Gap-Filling).
24.06.2013
Tiziana Zedda completed her master's thesis, "Construction and Testing of a Positron Emisson Tomography Demonstrator".
05.06.2013
Defne Us completed her master's thesis,"Metal Artifact Reduction in Sinograms of Dental Computed Tomography".
26.01.2012
Mohammad Minhaz Akram finished his master's thesis,"The Effect of Sampling in Histogramming and Analytical Reconstruction of 3D AX-PET Data".
2.5.2012
The team composed by Alessandro Foi, Matteo Maggioni, Antonietta Pepe and Jussi Tohka won the first prize for the "Challenge US: Biometric Measurements from Fetal Ultrasound Images" (ISBI 2012).
22.03.2012
Summer School on Surface Extraction, Representation and Analysis (SERA), Tampere University of Technology, 5-8 June 2012, see more info at SERA Summer Scool web-page.
26.01.2012
Open position for summer worker, see work ad here. The position is now closed.
26.01.2012
Mohammad Minhaz Akram finished his master's thesis recently.
1.12.2011
Ph.D. Viivi Koivu starts her work in the AX-PET research.
26.11.2011
Jukka-Pekka Kauppi succesfully defended his PhD thesis Pattern Classification Methods to Analyze Complex Dynamical Systems: Applications with fMRI, Gene Expression and Radar Data. See photos from the dissertation here.
15.9.2011
Enrique Sánchez-Monge Fernandez finished his master's thesis recently.
8.10.2010
Harri Pölönen succesfully defended his PhD thesis Quantification of Biomedical Data with Stochastic Parametric Models and Numerical Optimization. See photos from the dissertation here.
1.9.2010
Ph.D. Antti Happonen starts his work in the AX-PET research.
2.8.2010
Marko Koskinen, Juha Pajula and Jani Viitala finished their master's theses recently.
22.6.2010
Lu Zhao succesfully defended his PhD thesis Adaptive Disconnection Based Brain Hemisphere Segmentation in MRI: Applications to Brain Asymmetry Studies. See photos from karonkka (after-party) here.
1.6.2010
Jarkko Pekkarinen started working on his master's thesis on numerical optimization with PET modeling.
1.6.2010
Enrique Sánchez-Monge Fernandez started working on his master's thesis on gap-filling of transmission electron microscopy data.
8.12.2009
Antti Pettinen succesfully defended his PhD thesis On Simulation Software and Parameter Estimation for Biochemical Models.
15.10.2009
Marko Koskinen started doing his master's thesis on distributed computing environments.
7.9.2009
Juha Pajula started doing his master's thesis Functional Magnetic Resonance Imaging Simulations for Natural Vision Research Using Grid Computing.
28.4.2009
Jussi Tohka received an Academy research fellow post for carrying out
research on "New neuroinformatics methods for automatic analysis of brain
images".
27.4.2009
Mikko Välimäki started doing his master's thesis about designing and implementing a database for neuroinformatics data.
17.4.2009
Uygar Tuna has received a four year research student position from The Graduate School in Electronics, Telecommunications and Automation (GETA).
1.4.2009
Antti Loukiala started doing his master's thesis DCT gap filling technique for ClearPET™ sinograms 
1.3.2009
Lu Zhao is visiting the Alan C. Evans lab in Montreal Neurological Institute until 12th of July.
13.10.2008
Jani Viitala started doing his master's thesis in the M2oBSI group at the end of October. He processes hemodynamic time series data in collaboration with the Medical School of University of Tampere.
10.10.2008
Margarita Magadán Méndez succesfully defended her PhD thesis Signal Separation from Dynamic Data with Independent Component Analysis.
4.9.2008
Margarita Magadán Méndez will publicly defend her PhD thesis Signal Separation from Dynamic Data with Independent Component Analysis on 10th of October 2008. Opponents: Prof. Aapo Hyvärinen, University of Helsinki and José Fonseca, Institute for the Development of New Tecnologies (UNINOVA), Lisbon, Portugal.
26.8.2008
Evgeny Krestyannikov succesfully defended his PhD thesis Iterative Reconstruction of Regional Tracer Kinetics from Projection Data in Brain Positron Emission Tomography (PET).
18.8.2008
The master's thesis Segmentation of Striatal Brain Structures from High Resolution PET Images by Ricardo Farinha was accepted and he graduated.

The master's thesis Automatic Shape Asymmetry Analysis of Human Cerebral Hemispheres in Schizophrenia Based on MRI by Antonietta Pepe was accepted and she graduated.
13.8.2008
M2obsi member Uygur Tuna has been invited as a visiting researcher to IBM Thomas J. Watson Research Center. Tuna joins Charles Peck's research group for three months starting from the beginning of August. 
2.6.2008
Evgeny Krestyannikov will publicly defend his PhD thesis Iterative Reconstruction of Regional Tracer Kinetics from Projection Data in Brain Positron Emission Tomography (PET) on 22nd of August 2008. Opponent: Prof. Ir. Johan Nuyts, The Katholieke Universiteit Leuven, Belgium.
2.6.2008
The master's thesis Cosine Domain Gap-Filling for the PET Sinograms by Uygar Tuna was accepted and he graduated on 4th of June 2008.

The master's thesis Method to find the biological distributions of kinetic parameters from time series of PET-sinograms by Henna Myllys was accepted and she graduated on 25th of April 2008.
8.2.2008
The PhD thesis of Margarita Magadán Méndez is in review. 
19.12.2007
On 14th of December 2007 Anu Juslin succesfully defended her PhD thesis.

On 12th of October 2007 Esa Wallius succesfully defended his PhD thesis as well.
12.12.2007
Jukka-Pekka Kauppi starts as a Ph.D. student in January 2008.
17.9.2007
Ph.D. thesis Increasing Statistical Power in Brain PET Studies
by Image Analysis Methods: Applications for Drug Development by Esa Wallius will be publicly examined on 12th of October 2007. Opponents: Prof. Lauri Tarkkonen, University of Helsinki and Dr. Zsolt Cselényi, Karolinska Institutet, Stockholm.
Photos of Esa's dissertation
Link to Esa's dissertation
Ph.D. thesis Alignment of Cardiac Structures in [15O]H2O Perfusion PET Studies by Anu Juslin will be publicly examined on 14th of December 2007. Opponent: research director Isabelle Magnin, Centre de Recherche et d'Applications en Traitement de l'Image et du Signal, France.
28.8.2007
Henna Myllys, Uygar Tuna and Antoinetta Pepe start to do their master's thesis in the M2 oBSI Group.
7.3.2007
Institute of Signal Processing chosen as National Node in International Neuroinformatics Coordinating Facility (INCF)
The Academy of Finland has chosen Institute of Signal Processing at Tampere University of Technology (TUT) as coordinator of the INCF National Node of Finland during 2007-2009. The Chair and Coordinator is Professor Ulla Ruotsalainen. More...(in Finnish)
15.12.2006
Three group members' master's theses accepted

Liisa Kärkkäinen: Simulating perfusion measurements of skeletal muscle in PET enviroment
Mikko Vänninen: Endosome movement tracking in video microscopy images
Juuso Räsänen: Testing of independent component analysis on the separation of tissues on dynamic cardiac PET images

Students graduate on 18th of December 2006.
12.12.2006
New M2 oBSI webpage released.
17.03.2006
Juha Koikkalainen publicly defends his Ph.D. thesis at Helsinki University of Technology.
01.01.2006
Ulla Ruotsalainen starts her professorship at the Institute of Signal Processing.