131 search results - page 3 / 27 » Discovery and Segmentation of Activities in Video |
ICPR
2006
IEEE
14 years 8 months ago
2006
IEEE
Multi-agent interactions often result in mutual occlusion sequences which constitute a visual signature for the event. We define six qualitative occlusion primitives based on the ...
ICIP
2001
IEEE
14 years 9 months ago
2001
IEEE
In this paper, we present a new algorithm for the segmentation of moving objects in a video sequence acquired by a mobile camera using region-based active contours. Indeed, active...
CVPR
2006
IEEE
14 years 9 months ago
2006
IEEE
Recently, the generative modeling approach to video segmentation has been gaining popularity in the computer vision community. For example, the flexible sprites framework has been...
ICIP
2003
IEEE
14 years 9 months ago
2003
IEEE
This paper deals with fast image and video segmentation using active contours. Region based active contours using level-sets are powerful techniques for video segmentation but the...
CVPR
2004
IEEE
14 years 9 months ago
2004
IEEE
We present an unsupervised technique for detecting unusual activity in a large video set using many simple features. No complex activity models and no supervised feature selection...