1582 search results - page 39 / 317 » On sparse signal representations |
127
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TSP
2010
14 years 6 months ago
2010
We present two simple methods for recovering sparse signals from a series of noisy observations. The theory of compressed sensing (CS) requires solving a convex constrained minimiz...
105
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ICASSP
2010
IEEE
14 years 9 months ago
2010
IEEE
In this paper, we propose a new method of blind source separation (BSS) for music signals. Our method has the following characteristics: 1) the method is a combination of the spar...
CISS
2008
IEEE
15 years 6 months ago
2008
IEEE
Abstract—We develop neurally plausible local competitive algorithms (LCAs) for reconstructing compressively sensed images. Reconstruction requires solving a sparse approximation ...
107
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ICASSP
2011
IEEE
14 years 3 months ago
2011
IEEE
We address the problem of blind source separation in the underdetermined and instantaneous mixture case. The proposed method is based on an algorithm developed by Aissa-El-Bey and...
CISS
2010
IEEE
14 years 3 months ago
2010
IEEE
—This paper considers the reconstruction of structured-sparse signals from noisy linear observations. In particular, the support of the signal coefficients is parameterized by h...