1582 search results - page 162 / 317 » On sparse signal representations |
198
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
—We present an alternative analysis of weighted 1 minimization for sparse signals with a nonuniform sparsity model, and extend our results to nuclear norm minimization for matric...
156
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ICASSP
2011
IEEE
14 years 10 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...
166
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
Recent works in modified compressed sensing (CS) show that reconstruction of sparse or compressible signals with partially known support yields better results than traditional CS...
155
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
In this paper, a robust feature for text-independent speaker recognition is proposed, which simulate the response mode of cochlear neurons in processing acoustic signal. The featu...
170
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
This paper explores a novel setting for compressed sensing (CS) in which the sampling trajectory length is a critical bottleneck and must be minimized subject to constraints on th...