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206
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JMLR
2010
15 years 1 months ago
2010
We present an extension of sparse PCA, or sparse dictionary learning, where the sparsity patterns of all dictionary elements are structured and constrained to belong to a prespeci...
182
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
In this contribution we present a feature extraction method that relies on the modulation-spectral analysis of amplitude fluctuations within sub-bands of the acoustic spectrum by ...
161
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
The new eSBR tool of MPEG-D Universal Speech and Audio Coding offers a great advantage in compression of high frequency content, however it produces audible artifacts for sounds w...
238
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
Phoneme posterior probabilities estimated using Multi-Layer Perceptrons (MLPs) are extensively used both as acoustic scores and features for speech recognition. In this paper we e...
276
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INFOCOM
2011
IEEE
14 years 10 months ago
2011
IEEE
Abstract—This work proposes a novel connectivity-based localization algorithm, well suitable for large-scale sensor networks with complex shapes and non-uniform nodal distributio...