1582 search results - page 113 / 317 » On sparse signal representations |
278
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ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
Abstract-- Existing research on privacy-preserving data publishing focuses on relational data: in this context, the objective is to enforce privacy-preserving paradigms, such as ka...
189
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SCALESPACE
2005
Springer
15 years 11 months ago
2005
Springer
Level-Set methods have been successfully applied to 2D and 3D boundary detection problems. The geodesic active contour model has been particularly successful. Several algorithms fo...
170
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COLING
2010
15 years 1 months ago
2010
The problem addressed in this paper is to predict a user's numeric rating in a product review from the text of the review. Unigram and n-gram representations of text are comm...
175
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NIPS
2004
15 years 7 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...
155
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
We present a convex formulation of dictionary learning for sparse signal decomposition. Convexity is obtained by replacing the usual explicit upper bound on the dictionary size by...