441 search results - page 4 / 89 » Sparse Recovery Using Sparse Random Matrices |
ICASSP
2010
IEEE
13 years 7 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...
FGR
2011
IEEE
12 years 11 months ago
2011
IEEE
This paper presents a novel framework for recognition of facial action unit (AU) combinations by viewing the classification as a sparse representation problem. Based on this framew...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
Compressive sensing (CS) is an emerging approach for acquisition of signals having a sparse or compressible representation in some basis. While CS literature has mostly focused on...
PARA
2004
Springer
14 years 22 days ago
2004
Springer
The sparse Cholesky factorization of some large matrices can require a two dimensional partitioning of the matrix. The sparse hypermatrix storage scheme produces a recursive 2D par...
APPROX
2008
Springer
13 years 9 months ago
2008
Springer
Random projection methods give distributions over k