1176 search results - page 58 / 236 » Sparse reward processes |
137
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ICASSP
2011
IEEE
14 years 10 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 ...
163
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ICASSP
2009
IEEE
16 years 1 months ago
2009
IEEE
We propose a “compressive” estimator of the Wigner-Ville spectrum (WVS) for time-frequency sparse, underspread, nonstationary random processes. A novel WVS estimator involving...
204
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JMLR
2010
15 years 1 months ago
2010
Deep belief networks are a powerful way to model complex probability distributions. However, it is difficult to learn the structure of a belief network, particularly one with hidd...
215
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
Many works on speech processing have dealt with auto-regressive (AR) models for spectral envelope and formant frequency estimation, mostly focusing on the estimation of the AR par...
160
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IPMI
2007
Springer
16 years 7 months ago
2007
Springer
Abstract. Volume segmentation is a relatively slow process and, in certain circumstances, the enormous amount of prior knowledge available is underused. Model-based liver segmentat...