1582 search results - page 3 / 317 » On sparse signal representations |
ICIP
2006
IEEE
14 years 8 months ago
2006
IEEE
Recent studies in linear inverse problems have recognized the sparse representation of unknown signal in a certain basis as an useful and effective prior information to solve thos...
ICASSP
2008
IEEE
14 years 1 months ago
2008
IEEE
ICIP
2001
IEEE
14 years 8 months ago
2001
IEEE
An elementary proof of a basic uncertainty principle concerning pairs of representations of ?? vectors in different orthonormal bases is provided. The result, slightly stronger th...
TSP
2010
13 years 1 months ago
2010
This paper deals with the Bayesian signal denoising problem, assuming a prior based on a sparse representation modeling over a unitary dictionary. It is well known that the maximum...
ICASSP
2009
IEEE
14 years 1 months ago
2009
IEEE
This paper presents a new sparse representation for acoustic signals which is based on a mixing model defined in the complex-spectrum domain (where additivity holds), and allows ...