441 search results - page 17 / 89 » Sparse Recovery Using Sparse Random Matrices |
ICIP
2008
IEEE
15 years 11 months ago
2008
IEEE
Multispectral scene information is useful for radiometric graphics, material identification and imaging systems simulation. The multispectral scene can be described as a datacube,...
CPHYSICS
2007
14 years 9 months ago
2007
A new software code for computing selected eigenvalues and associated eigenvectors of a real symmetric matrix is described. The eigenvalues are either the smallest or those closes...
NIPS
2008
14 years 11 months ago
2008
This paper addresses the problem of sparsity pattern detection for unknown ksparse n-dimensional signals observed through m noisy, random linear measurements. Sparsity pattern rec...
CORR
2010
Springer
14 years 10 months ago
2010
Springer
Compressed sensing allows perfect recovery of sparse signals (or signals sparse in some basis) using only a small number of random measurements. Existing results in compressed sens...
SIAMSC
2008
14 years 9 months ago
2008
Abstract. This paper presents a new stochastic preconditioning approach for large sparse matrices. For the class of matrices that are row-wise and column-wise irreducibly diagonall...