122 search results - page 13 / 25 » Local grouping for optical flow |
122
click to vote
CVPR
2009
IEEE
16 years 9 months ago
2009
IEEE
We propose a space-time Markov Random Field (MRF)
model to detect abnormal activities in video. The nodes in
the MRF graph correspond to a grid of local regions in the
video fra...
157
Voted
HVEI
2009
14 years 11 months ago
2009
The appearance of objects in scenes is determined by their shape, material properties and by the light field, and, in contradistinction, the appearance of those objects provides u...
109
Voted
ICCV
2007
IEEE
16 years 3 months ago
2007
IEEE
An interactive framework for soft segmentation and matting of natural images and videos is presented in this paper. The proposed technique is based on the optimal, linear time, co...
143
Voted
CVPR
2007
IEEE
16 years 3 months ago
2007
IEEE
Detecting and segmenting moving objects in dynamic scenes is a hard but essential task in a number of applications such as surveillance. Most existing methods only give good resul...
110
Voted
ICPR
2006
IEEE
16 years 2 months ago
2006
IEEE
Motion analysis in broadcast sports video is a challenging problem especially for player action recognition due to the low resolution of players in the frames. In this paper, we pr...