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122
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ICASSP
2011
IEEE
14 years 8 months ago
2011
IEEE
This paper proposes a compressive sampling scheme based on random temporal sampling using a successive approximation register (SAR) ADC architecture. Variable wordlength data samp...
151
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ICASSP
2011
IEEE
14 years 8 months ago
2011
IEEE
This paper introduces a new algorithm for reconstructing signals with sparse spectrums from noisy compressive measurements. The proposed model-based algorithm takes the signal str...
142
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ICASSP
2011
IEEE
14 years 8 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...
107
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ICASSP
2011
IEEE
14 years 8 months ago
2011
IEEE
We propose an approach for the estimation of sparse filters from a convolutive mixture of sources, exploiting the time-domain sparsity of the mixing filters and the sparsity of ...
112
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CISS
2010
IEEE
14 years 8 months ago
2010
IEEE
—Recovery of sparse signals from noisy observations is a problem that arises in many information processing contexts. LASSO and the Dantzig selector (DS) are two well-known schem...