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SUMMARY:Inextensibility constraints for 3D reconstruction of deformable ob
 jects - Sara Vicente\, University College London
DTSTART:20130924T090000Z
DTEND:20130924T100000Z
UID:TALK47053@talks.cam.ac.uk
CONTACT:Microsoft Research Cambridge Talks Admins
DESCRIPTION:Reconstructing the 3D shape of an object from images is a long
 standing challenge in computer vision. While for rigid objects there are s
 table methods that have been used in practical applications\, the reconstr
 uction of deformable objects is still a widely open problem.\n\nIn this ta
 lk\, I will discuss how an inextensibility prior can be used to better con
 strain the highly ambiguous problem of reconstruction of deformable object
 s from images or videos taken with a single camera. \nI'll present two new
  techniques that make use of the inextensibility\nprior: (1) a unifying ap
 proach that can be applied to two tasks that have been so far considered i
 ndependently – template based reconstruction and non-rigid structure fro
 m motion – producing comparable or better results than the state-of-the 
 art methods and (2) a template based method designed to reconstruct closed
  surfaces\, making it applicable to the reconstruction of objects with vol
 ume\, such as animals\, that have not been previously attempted with exist
 ing template methods.\n\n
LOCATION:Auditorium\, Microsoft Research Ltd\, 21 Station Road\, Cambridge
 \, CB1 2FB
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