280 search results - page 28 / 56 » Approximate nearest neighbors using sparse representations |
102
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NIPS
2004
14 years 11 months ago
2004
We examine the problem of approximating, in the Frobenius-norm sense, a positive, semidefinite symmetric matrix by a rank-one matrix, with an upper bound on the cardinality of its...
NIPS
2003
14 years 11 months ago
2003
Recently, relevance vector machines (RVM) have been fashioned from a sparse Bayesian learning (SBL) framework to perform supervised learning using a weight prior that encourages s...
107
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CGF
2010
14 years 7 months ago
2010
Signed distance functions (SDF) to explicit or implicit surface representations are intensively used in various computer graphics and visualization algorithms. Among others, they ...
CORR
2008
Springer
14 years 9 months ago
2008
Springer
Abstract--In this paper, Bayesian hypothesis testing is investigated when the prior probabilities of the hypotheses, taken as a random vector, are quantized. Nearest neighbor and c...
CVPR
2007
IEEE
15 years 11 months ago
2007
IEEE
Matching local features across images is often useful when comparing or recognizing objects or scenes, and efficient techniques for obtaining image-to-image correspondences have b...