1582 search results - page 138 / 317 » On sparse signal representations |
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BIOINFORMATICS
2011
14 years 10 months ago
2011
Abstract. This document is a preprint of the following publication: Bioinformatics (2011) 27(8): 1166-1167. Algorithms for sparse data require fast search and subset selection capa...
188
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INFOCOM
2011
IEEE
14 years 9 months ago
2011
IEEE
—An approximate distance query data structure is a compact representation of a graph, and can be queried to approximate shortest paths between any pair of vertices. Any such data...
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...
175
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ISBI
2009
IEEE
16 years 1 months ago
2009
IEEE
We propose a new reconstruction scheme for magnetic resonance spectroscopic imaging (MRSI) signal based on minimizing the spatial total variation (TV) integrated with the 1 -norm ...
146
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ICIAR
2010
Springer
15 years 11 months ago
2010
Springer
The structural similarity (SSIM) index has been shown to be an useful tool in a wide variety of applications that involve the assessment of image quality and similarity. However, i...