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107
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ICASSP
2010
IEEE
15 years 2 months ago
2010
IEEE
Nonnegative matrix factorization (NMF) is a widely-used tool for obtaining low-rank approximations of nonnegative data such as digital images, audio signals, textual data, financ...
ICASSP
2010
IEEE
15 years 2 months ago
2010
IEEE
Current state-of-the-art speech recognition systems work quite well in controlled environments but their performance degrades severely in realistic acoustical conditions in reverb...
128
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ICASSP
2010
IEEE
15 years 2 months ago
2010
IEEE
In this paper we revise the penalty term of the Bayesian Information Criterion (BIC). Based on our previous approach to penalize each cluster only with its corresponding effective...
85
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ICASSP
2010
IEEE
15 years 2 months ago
2010
IEEE
We present a new and computationally efficient scheme for classifying signals into a fixed number of known classes. We model classes as subspaces in which the corresponding data...
110
Voted
ICASSP
2010
IEEE
15 years 2 months ago
2010
IEEE
In this paper we propose two fast Total Variation (TV) based algorithms for image restoration by utilizing variational posterior distribution approximation. The unknown image and ...