36 search results - page 2 / 8 » HMM-based unusual motion detection without tracking |
CVPR
2003
IEEE
14 years 7 months ago
2003
IEEE
We describe a tracker that can track moving people in long sequences without manual initialization. Moving people are modeled with the assumption that, while configuration can var...
WACV
2005
IEEE
13 years 11 months ago
2005
IEEE
In gesture and sign language video sequences, hand motion tends to be rapid, and hands frequently appear in front of each other or in front of the face. Thus, hand location is oft...
ICCV
2011
IEEE
12 years 5 months ago
2011
IEEE
This paper addresses the challenge of recognizing behavior of groups of individuals in unconstraint surveillance environments. As opposed to approaches that rely on agglomerative ...
ACCV
2009
Springer
13 years 12 months ago
2009
Springer
We present a novel algorithm for improving the accuracy of structure from motion on video sequences. Its goal is to efficiently recover scene structure and camera pose by using dyn...
TRECVID
2008
13 years 6 months ago
2008
This paper presents the systems and results for the Event Detection task of the TRECVid 2008 evaluation campaign. The kind of events addressed are single-actor, without requiring ...