1582 search results - page 3 / 317 » On sparse signal representations |
153
Voted
ICIP
2006
IEEE
16 years 7 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
16 years 16 hour ago
2008
IEEE
140
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ICIP
2001
IEEE
16 years 7 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...
131
Voted
TSP
2010
15 years 7 days 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...
141
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ICASSP
2009
IEEE
16 years 9 days 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 ...