Bayesian Fusion of Multi-band Images. Beyond Pansharpening
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Bayesian Fusion of Multi-band Images. Beyond Pansharpening
Mon, 10/04/2017 - 11:30
Location:
Speaker:
Professor Jean-Yves Tourneret
Affiliation:
National Polytechnic Institute, IRIT Lab, University of Toulouse, France
Synopsis:
This talk will summarize recent methods investigated in the IRIT laboratory for fusing high spectral resolution images (such as hyperspectral images) and high spatial resolution images (such as panchromatic images) in order to provide images with improved spectral and spatial resolutions. These methods are based on Bayesian estimators exploiting prior information about the target image to be recovered, constructed by interpolation or by using dictionary learning techniques. The Bayesian estimators can be constructed from the output of Markov chain Monte Carlo algorithms sampling the posterior distribution of the unknown image of interest, using alternate optimization methods or by solving a Sylvester matrix equation.
Biography:
Jean-Yves TOURNERET received the ingenieur degree in electrical engineering from the Ecole Nationale Superieure d’Electronique, d’Electrotechnique, d’Informatique, d’Hydraulique et des Telecommunications (ENSEEIHT) de Toulouse in 1989 and the Ph.D. degree from the National Polytechnic Institute from Toulouse in 1992. He is currently a professor in the university of Toulouse (ENSEEIHT) and a member of the IRIT laboratory (UMR 5505 of the CNRS). His research activities are centered around statistical signal and image processing with a particular interest to Bayesian and Markov chain Monte Carlo (MCMC) methods. He has been involved in the organization of several conferences including the European conference on signal processing EUSIPCO'02 (program chair), the international conference ICASSP’06 (plenaries), the statistical signal processing workshop SSP’12 (international liaisons), the International Workshop on Computational Advances in Multi-Sensor Adaptive Processing CAMSAP 2013 (local arrangements), the statistical signal processing workshop SSP'2014 (special sessions), the workshop on machine learning for signal processing MLSP’2014 (special sessions). He has been the general chair of the CIMI workshop on optimization and statistics in image processing hold in Toulouse in 2013 (with F. Malgouyres and D. Kouame) and of the International Workshop on Computational Advances in Multi-Sensor Adaptive Processing CAMSAP 2015 (with P. Djuric). He has been a member of different technical committees including the Signal Processing Theory and Methods (SPTM) committee of the IEEE Signal Processing Society (2001-2007, 2010-2015). He has been serving as an associate editor for the IEEE Transactions on Signal Processing (2008-2011, 2015-present) and for the EURASIP journal on Signal Processing (2013-present).