38 search results - page 8 / 8 » Iteratively reweighted algorithms for compressive sensing |
125
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ICCV
2009
IEEE
14 years 11 months ago
2009
IEEE
This paper investigates a new learning formulation called dynamic group sparsity. It is a natural extension of the standard sparsity concept in compressive sensing, and is motivat...
108
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IGARSS
2009
14 years 11 months ago
2009
Finding an accurate sparse approximation of a spectral vector described by a linear model, when there is available a library of possible constituent signals (called endmembers or ...
ICASSP
2008
IEEE
15 years 7 months ago
2008
IEEE
Finding sparse approximate solutions to large underdetermined linear systems of equations is a common problem in signal/image processing and statistics. Basis pursuit, the least a...