VASC Seminar Announcement
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Date: Wednesday, 6/20/01
Time: 10:30-11:30
Place: NSH 3002

Speaker: Larry Davis, University of Maryland
Title: Tracking and segementation of individuals and groups

I will discuss recent research on problems related to modeling
the appearances of people so that groups of people can be segmented into
individuals and  tracked. In the first approach, we assume that people enter
the surveillance area individually, and build color appearance models of
them using a combination of segmentation and kernel density estimation
methods for uniformly colored body parts.  These models are then used, in
conjunction with occlusion analysis, to segment grops into individuals and
track them.  In the second approach we relax the assumption that people are
seen initially in isolation, but employ many cameras to monitor the
surveillance area.  Image regions are matched between images along epipolar
lines using appearance models for individuals (once they are obtained) or
general color segmentation methods, and location information is integrated
on the ground plane to detect and track people.