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SUMMARY:Light propagation in complex media meets signal processing : from 
 imaging to compressive imaging and machine learning
DTSTART:20160302T150000
DTSTAMP:20261001T181247Z
UID:fbd4fc9fd01f20fdd4f752c1edf3c26fb65149fbbc622254befa2121
CATEGORIES:Conferences - Seminars
DESCRIPTION:Professor Sylvain Gigan\, ESPCI ParisTech\nLight propagation i
 n complex media is a huge problem for optical imaging:  seeing through a 
 layer of paint\, a multimode fiber\, or inside biological tissues is a for
 midable challenge\, now made possible thanks in particular to unique tools
 : spatial light modulators\, able to digitally encode informations on ligh
 t beams\, for display of for wavefront control.\nI will present our recent
  work in the domain\, with a particular emphasis on our recent experiments
 \,  results of a collaboration with signal processing and algorithms expe
 rts. We have explored how signal processing\, within the recent framework 
 of compressive sensing\, can improve imaging using the natural randomness 
 of complex media. More recently\, we realized that complex media can be ex
 ploited to perform optically a wide range of machine learning tasks. I wil
 l present some first proof of principle experiment in image classification
 .\nBio: Sylvain Gigan obtained an engineering degree from Ecole Polytechni
 que (Palaiseau France) in 2000. He obtained a PhD in Physics 2004 from Uni
 versity Pierre and Marie Curie (Paris\, France) in quantum and non-linear 
 Optics.\nFrom 2004 to 2007\, he was a postdoctoral researcher in Vienna Un
 iversity (Austria)\, working on quantum optomechanics\, in the group of Ma
 rkus Aspelmeyer and Anton Zeilinger.  In 2007\, he joined ESPCI ParisTech
  as Associate Professor\, and started working on optical imaging in comple
 x media and wavefront shaping techniques\, at the Langevin Institute.\nSin
 ce 2014\, he is full professor at University Pierre et Marie Curie\, and g
 roup leader in Laboratoire Kastler-Brossel\, at Ecole Normale Supérieure 
 (ENS\, Paris). His research interests range from fundamental investigation
 s of light propagation in complex media\, biomedical imaging\, sensing\, s
 ignal processing\,  to quantum optics and quantum information in complex 
 media.
LOCATION:BM 1130 https://plan.epfl.ch/?room==BM%201130
STATUS:CONFIRMED
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