999 search results - page 126 / 200 » Spectral simplex method |
207
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COMPGEOM
2011
ACM
14 years 1 months ago
2011
ACM
We introduce a new notion of minors for simplicial complexes (hypergraphs), so-called homological minors. Our motivation is to propose a general approach to attack certain extrema...
122
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CVPR
2006
IEEE
15 years 12 months ago
2006
IEEE
We present a method to automatically learn object categories from unlabeled images. Each image is represented by an unordered set of local features, and all sets are embedded into...
ICCV
2003
IEEE
15 years 11 months ago
2003
IEEE
Vision tasks, such as segmentation, grouping, recognition, can be formulated as graph partition problems. The recent literature witnessed two popular graph cut algorithms: the Ncu...
ICIP
2003
IEEE
15 years 11 months ago
2003
IEEE
We address in this paper the probleni of detecting changes between two photographs of the same scene taken at differentdates. Considering that both images arealready accurately re...
ICPR
2010
IEEE
15 years 4 months ago
2010
IEEE
We present a method that automatically detects chewing events in surveillance video of a subject. Firstly, an Active Appearance Model (AAM) is used to track a subject’s face acr...