145 search results - page 18 / 29 » On Constrained Sparse Matrix Factorization |
100
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INTERSPEECH
2010
14 years 4 months ago
2010
We propose a probabilistic factorial sparse coder model for single channel source separation in the magnitude spectrogram domain. The mixture spectrogram is assumed to be the sum ...
ICML
2007
IEEE
15 years 10 months ago
2007
IEEE
Given a sample covariance matrix, we examine the problem of maximizing the variance explained by a particular linear combination of the input variables while constraining the numb...
ECML
2007
Springer
15 years 4 months ago
2007
Springer
The stability of sample based algorithms is a concept commonly used for parameter tuning and validity assessment. In this paper we focus on two well studied algorithms, LSI and PCA...
103
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BMCBI
2004
14 years 9 months ago
2004
Background: All known genomes code for a large number of transcription factors. It is important to develop methods that will reveal how these transcription factors act on a genome...
SIAMSC
2011
14 years 19 days ago
2011
Abstract. An efficient parallel algorithm is presented and tested for computing selected components of H−1 where H has the structure of a Hamiltonian matrix of two-dimensional la...