1582 search results - page 6 / 317 » On sparse signal representations |
ICA
2010
Springer
14 years 10 months ago
2010
Springer
Abstract. A new dictionary learning method for exact sparse representation is presented in this paper. As the dictionary learning methods often iteratively update the sparse coeffi...
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
ICASSP
2009
IEEE
15 years 4 months ago
2009
IEEE
In this paper, we propose a Bayesian Pursuit algorithm for sparse representation. It uses both the simplicity of the pursuit algorithms and optimal Bayesian framework to determine...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
Sparse signal representation based on overcomplete dictionaries has recently been extensively investigated, rendering the state-of-the-art results in signal, image and video proce...
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ICASSP
2010
IEEE
14 years 9 months ago
2010
IEEE
Sparse representation theory has been increasingly used in the fields of signal processing and machine learning. The standard sparse models are not invariant to spatial transform...