172 search results - page 13 / 35 » Support Recovery of Sparse Signals |
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
We show that the exact recovery of sparse perturbations on the coefficient matrix in overdetermined Least Squares problems is possible for a large class of perturbation structure...
TIT
2010
14 years 4 months ago
2010
This paper considers recovery of jointly sparse multichannel signals from incomplete measurements. Several approaches have been developed to recover the unknown sparse vectors from...
96
Voted
ISBI
2011
IEEE
14 years 1 months ago
2011
IEEE
For medical image analysis, the test statistic of the measurements is usually constructed at every voxels in space and thresholded to determine the regions of significant signals...
ICASSP
2010
IEEE
14 years 9 months ago
2010
IEEE
Polytope Faces Pursuit is a greedy algorithm that performs Basis Pursuit with similar order complexity to Orthogonal Matching Pursuit. The algorithm adds one basis vector at a tim...
102
Voted
SIAMIS
2011
14 years 4 months ago
2011
Abstract. Accurate signal recovery or image reconstruction from indirect and possibly undersampled data is a topic of considerable interest; for example, the literature in the rece...