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SUMMARY:Shape analysis through a deformation prior - Barbara Gris (KTH - R
 oyal Institute of Technology )
DTSTART:20171114T144500Z
DTEND:20171114T153000Z
UID:TALK95014@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:A general approach for matching two shapes is based on the est
 imation of a deformation (a diffeomorphism) transforming the first one int
 o the second one. We developed a new framework in order to build diffeomor
 phisms so that a prior on deformation patterns can be easily incorporated.
  This prior can for instance correspond to an additional knowledge one has
  on the data under study. Our framework is based on the notion of deformat
 ion modules which are structures capable of generating vector fields of a 
 particular chosen type and parametrized in small dimension. Several deform
 ation modules can combine and interact in order to general a multi-modular
  diffeomorphisms. I will present how this framework allows to incorporate 
 a prior in a deformation model thanks to an adapted deformation module. I 
 will also present how an adapted deformation module can be automatically b
 uilt given a sequence of data.
LOCATION:Seminar Room 1\, Newton Institute
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