38 search results - page 8 / 8 » Iteratively reweighted algorithms for compressive sensing |
ICCV
2009
IEEE
13 years 3 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...
IGARSS
2009
13 years 3 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
13 years 11 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...