420 search results - page 77 / 84 » Compressive sensing |
ICASSP
2011
IEEE
13 years 6 days ago
2011
IEEE
Basis Pursuit (BP) finds a minimum ℓ1-norm vector z that satisfies the underdetermined linear system Mz = b, where the matrix M and vector b are given. Lately, BP has attracte...
ICASSP
2011
IEEE
13 years 6 days ago
2011
IEEE
In the past decade there has been a great interest in a synthesis-based model for signals, based on sparse and redundant representations. Such a model assumes that the signal of i...
CISS
2011
IEEE
13 years 1 days ago
2011
IEEE
—In this work we address the problem of state estimation in dynamical systems using recent developments in compressive sensing and sparse approximation. We formulate the traditio...
PAMI
2012
11 years 11 months ago
2012
—Modeling data with linear combinations of a few elements from a learned dictionary has been the focus of much recent research in machine learning, neuroscience, and signal proce...
CVPR
2012
IEEE
11 years 11 months ago
2012
IEEE
In this paper, we propose a bilevel sparse coding model for coupled feature spaces, where we aim to learn dictionaries for sparse modeling in both spaces while enforcing some desi...