1582 search results - page 135 / 317 » On sparse signal representations |
139
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CISS
2010
IEEE
14 years 10 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...
183
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VTS
2006
IEEE
16 years 7 days ago
2006
IEEE
This paper presents an improved method to accurately estimate signal probabilities using ordered partial decision diagrams (OPDDs) [Kodavarti 93] for partial representation of the...
168
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ICASSP
2009
IEEE
15 years 10 months ago
2009
IEEE
In this paper we propose a new set of parameters for audio signal analysis and classification. These parameters are regressions computed on the normalized modulation spectrum of h...
130
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ICASSP
2010
IEEE
15 years 6 months ago
2010
IEEE
Besides basis expansions, frames representations play a key role in signal processing. We thus consider the problem of frame domain signal processing, which is more complex and ch...
173
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ICDM
2007
IEEE
16 years 16 days ago
2007
IEEE
Statistical topic models such as the Latent Dirichlet Allocation (LDA) have emerged as an attractive framework to model, visualize and summarize large document collections in a co...