922 search results - page 62 / 185 » Unsupervised detection of contours using a statistical model |
120
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CVPR
2011
IEEE
14 years 5 months ago
2011
IEEE
Real-time unusual event detection in video stream has been a difficult challenge due to the lack of sufficient training information, volatility of the definitions for both norm...
101
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IBPRIA
2009
Springer
14 years 7 months ago
2009
Springer
We propose a novel statistical method for motion detection and background maintenance for a mobile observer. Our method is based on global motion estimation and statistical backgro...
ICIP
2005
IEEE
15 years 11 months ago
2005
IEEE
In this paper, a hybrid medical image segmentation approach is proposed based on a dual front evolution and fast sweeping evolution. This approach is composed of two stages. In th...
ECCV
2002
Springer
15 years 11 months ago
2002
Springer
Abstract. In this work, we introduce a model-based approach to extracting the silhouette of people in motion from stereo video sequences. To this end, we extend a purely stereo-bas...
ICPR
2004
IEEE
15 years 11 months ago
2004
IEEE
Vision based fire detection is potentially a useful technique. With the increase in the number of surveillance cameras being installed, a vision based fire detection capability ca...