5903 search results - page 260 / 1181 » Signal Processing |
155
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ICA
2004
Springer
16 years 14 days ago
2004
Springer
A series of recent results shows that if a signal admits a sufficiently sparse representation (in terms of the number of nonzero coefficients) in an “incoherent” dictionary, th...
158
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TC
2008
15 years 7 months ago
2008
In this paper, the problem of finding good wordlength combinations for fixed-point digital signal processing flowgraphs is addressed. By formulating and solving an approximate opti...
185
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
The Independent Component Analysis (ICA) model is extended to the case where the components are not necessarily independent: depending on the value a hidden latent process at the ...
135
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
The weighted overlap add (WOLA) technique is routinely used in audio processing to avoid introducing audible clicks. This process introduces inter-dependencies between WOLA coeffi...
182
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
We propose a sinogram restoration method which consists of a patch-wise non-linear processing, based on a sparsity prior in terms of a learned dictionary. An off-line learning pro...