6393 search results - page 903 / 1279 » Randomized Algorithms on the Mesh |
180
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TIP
2010
15 years 29 days ago
2010
Multivariate image segmentation is a challenging task, influenced by large intraclass variation that reduces class distinguishability as well as increased feature space sparseness ...
167
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TIP
2010
15 years 29 days ago
2010
Abstract--Image segmentation plays an important role in computer vision and image analysis. In this paper, image segmentation is formulated as a labeling problem under a probabilit...
166
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
Sparse representations over redundant dictionaries offer an efficient paradigm for signal representation. Recently block-sparsity has been put forward as a prior condition for so...
217
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CVPR
2012
IEEE
13 years 8 months ago
2012
IEEE
A greedy-based approach to learn a compact and discriminative dictionary for sparse representation is presented. We propose an objective function consisting of two components: ent...
263
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CVPR
2009
IEEE
17 years 1 months ago
2009
IEEE
Belief propagation (BP) is an effective algorithm for solving energy minimization problems in computer vision. However, it requires enormous memory, bandwidth, and computation beca...