957 search results - page 13 / 192 » From Margin to Sparsity |
121
Voted
PRL
2010
15 years 7 days ago
2010
: Single training image face recognition is one of main challenges to appearance-based pattern recognition techniques. Many classical dimensionality reduction methods such as LDA h...
152
Voted
KDD
2012
ACM
13 years 4 months ago
2012
ACM
This paper introduces a novel image decomposition approach for an ensemble of correlated images, using low-rank and sparsity constraints. Each image is decomposed as a combination...
137
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CVPR
2011
IEEE
14 years 5 months ago
2011
IEEE
Nowadays numerous social images have been emerging on the Web. How to precisely label these images is critical to image retrieval. However, traditional image-level tagging methods...
134
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ICIP
2008
IEEE
16 years 3 months ago
2008
IEEE
We consider the problem of reconstructing time sequences of spatially sparse signals (with unknown and time-varying sparsity patterns) from a limited number of linear "incohe...
94
Voted
ICASSP
2009
IEEE
15 years 5 months ago
2009
IEEE
In this paper, we solve the problem of detecting the entries of a sparse finite-alphabet signal from a limited amount of data, for instance obtained by compressive sampling. While...