1582 search results - page 193 / 317 » On sparse signal representations |
228
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KDD
2012
ACM
13 years 9 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...
197
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CORR
2011
Springer
15 years 1 months ago
2011
Springer
A novel framework of compressed sensing, namely statistical compressed sensing (SCS), that aims at efficiently sampling a collection of signals that follow a statistical distribu...
218
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TIP
2011
15 years 1 months ago
2011
We propose a prediction technique that is geared toward forming successful estimates of a signal based on a correlated anchor signal that is contaminated with complex interference...
175
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MICCAI
2008
Springer
16 years 7 months ago
2008
Springer
In this paper we introduce a tag separation method for better cardiac boundary segmentation and tag tracking. Our approach is based on two observations in the cardiac tagged MR ima...
174
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IJHPCA
2010
15 years 5 months ago
2010
Sparse matrix operations achieve only small fractions of peak CPU speeds because of the use of specialized, indexbased matrix representations, which degrade cache utilization by i...