131 search results - page 22 / 27 » Discovery and Segmentation of Activities in Video |
MMS
2006
13 years 7 months ago
2006
Motion trajectories provide rich spatio-temporal information about an object's activity. The trajectory information can be obtained using a tracking algorithm on data streams ...
TIP
2010
13 years 2 months ago
2010
This paper proposes an approach for recognizing human activities (more specifically, pedestrian trajectories) in video sequences, in a surveillance context. A system for automatic ...
CVPR
1997
IEEE
14 years 9 months ago
1997
IEEE
111 thi.) puper, we present un uutomutic. system fi,r UIIulyzing and unnotuting video sequences of trchnicrd tulks. Our method uses U robust motion estiniution tec,hnique tci dete...
TRECVID
2008
13 years 8 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 ...
CVPR
2009
IEEE
15 years 2 months ago
2009
IEEE
We present a new approach to iteratively estimate both
high-quality depth map and alpha matte from a single image
or a video sequence. Scene depth, which is invariant
to illumin...