3240 search results - page 508 / 648 » Pre-aggregation with probability distributions |
228
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JMIV
2006
15 years 6 months ago
2006
In this paper, we propose to focus on the segmentation of vectorial features (e.g. vector fields or color intensity) using region-based active contours. We search for a domain that...
247
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TIP
2008
15 years 6 months ago
2008
Edge-based and region-based active contours are frequently used in image segmentation. While edges characterize small neighborhoods of pixels, region descriptors characterize entir...
215
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CVPR
2003
IEEE
16 years 8 months ago
2003
IEEE
Monitoring activities using video data is an important surveillance problem. A special scenario is to learn the pattern of normal activities and detect abnormal events from a very...
211
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CVPR
2004
IEEE
16 years 8 months ago
2004
IEEE
Most tracking algorithms are based on the maximum a posteriori (MAP) solution of a probabilistic framework called Hidden Markov Model, where the distribution of the object state a...
166
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CVPR
2004
IEEE
16 years 8 months ago
2004
IEEE
One of the major problems in modeling images for vision tasks is that images with very similar structure may locally have completely different appearance, e.g., images taken under...