Motion Retargeting with Physics and Deformations
Massachusetts Institute of Technology
Time and Place
Mauldin Auditorium (NSH 1305)
Refreshments 3:15 pm
Talk 3:30 pm
Despite the tremendous amount of artistry, skill, and time dedicated to crafting animations, only few special-purpose techniques exist to help with reuse. Motion retargeting, for example, conforms motions of rigid skeletons, but stalls when enforcing the laws of physics or when transforming the motion of deformable shapes. Until recently, physically valid retargeting relied on simplification to eliminate degrees of freedom or to reduce the order of dynamics equations. These simplifications are not necessary as demonstrated with numerical procedures for retargeting ballistic motions of a full human figure with many degrees of freedom. Similar approach could enable reanimation of meshes with non-skeletal deformations or without an obvious skeletal structure. Deformation transfer is the first step to developing such a system. It applies the deformation exhibited by a source triangle mesh onto a different target mesh without requiring them to share the same connectivity or to have an identical number of triangles and vertices.
Jovan Popovic is an assistant professor in the Department of Electrical Engineering and Computer Science and a member of the Computer Graphics Group in the Computer Science and Artificial Intelligence Laboratory. Before joining MIT in the Fall of 2001, he received his Ph.D. in Computer Science from Carnegie Mellon University and his B.S. degrees in Mathematics and Computer Science from Oregon State University.
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