922 search results - page 45 / 185 » Unsupervised detection of contours using a statistical model |
122
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TIP
2008
14 years 9 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...
ARC
2009
Springer
15 years 4 months ago
2009
Springer
A system for automatically classifying the trajectory of a moving object in a scene as usual or suspicious is presented. The system uses an unsupervised neural network (Self Organi...
ICCV
2003
IEEE
15 years 11 months ago
2003
IEEE
Learning visual models of object categories notoriously requires thousands of training examples; this is due to the diversity and richness of object appearance which requires mode...
197
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
In this paper, we present a new technique, called Stream Projected Ouliter deTector (SPOT), to deal with outlier detection problem in high-dimensional data streams. SPOT is unique ...
CVPR
1998
IEEE
15 years 11 months ago
1998
IEEE
We describe a technique for using the joint occurrence of local features at multiple resolutions to measure the similarity between texture images. Though superficially similar to ...