BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Talks.cam//talks.cam.ac.uk//
X-WR-CALNAME:Talks.cam
BEGIN:VEVENT
SUMMARY:Subdivision surfaces and the dolphin problem - Tom Cashman
DTSTART:20100211T141500Z
DTEND:20100211T151500Z
UID:TALK23156@talks.cam.ac.uk
CONTACT:Ian Davies
DESCRIPTION:There is an open problem in Computer Vision which this talk na
 mes the `dolphin problem'. The challenge is to start from multiple photogr
 aphs of objects from the same class (such as dolphins)\, where each image 
 sees a different individual in a different pose. This type of collection i
 s typically the result of searching for images that match a certain keywor
 d\, for example. The dolphin problem asks whether we can use these images 
 to learn a deformable surface model for objects of the photographed class\
 , with the pose and view parameters for each individual.\n\nThis involves 
 an extension of existing surface reconstruction techniques to both multipl
 e poses and multiple views\, but the problem is essentially geometric. For
  example\, a formulation of the problem without pose variation is: can we 
 create a fair surface with specified silhouette shapes\, where the silhoue
 ttes are not necessarily planar cross-sections from the surface?\n\nI will
  describe an attempt to tackle the dolphin problem using subdivision surfa
 ces as an underlying representation\, considering both the challenges and 
 benefits of this strategy. This work was the outcome of an internship at M
 icrosoft Research\, Cambridge\, in collaboration with Andrew Fitzgibbon. T
 his talk is a rehearsal for a presentation of the same material at a worsk
 hop (`New Trends in Applied Geometry') the following week.
LOCATION:Computer Laboratory\, William Gates Building\, Room SS03
END:VEVENT
END:VCALENDAR