1582 search results - page 20 / 317 » On sparse signal representations |
105
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ICA
2007
Springer
15 years 3 months ago
2007
Springer
Abstract. A nonparametric Bayesian extension of Independent Components Analysis (ICA) is proposed where observed data Y is modelled as a linear superposition, G, of a potentially i...
ICASSP
2011
IEEE
14 years 3 months ago
2011
IEEE
Video error concealment is a post-processing technique that conceals the errors in a decoded video sequence based on data available only at the decoder. Most of the current techni...
100
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ICASSP
2010
IEEE
15 years 9 hour ago
2010
IEEE
Sparse coding networks, which utilize unsupervised learning to maximize coding efficiency, have successfully reproduced response properties found in primary visual cortex [1]. Ho...
122
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ICASSP
2011
IEEE
14 years 3 months ago
2011
IEEE
This paper addresses the problem of Through-the-Wall Radar Imaging (TWRI) using the Multiple-Measurement Vector (MMV) compressive sensing model. TWR image formation is reformulate...
ICIP
2002
IEEE
16 years 1 months ago
2002
IEEE
We propose a new scheme, named contourlet, that provides a flexible multiresolution, local and directional image expansion. The contourlet transform is realized efficiently via a ...