83 search results - page 10 / 17 » A Multilevel Approach For Nonnegative Matrix Factorization |
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ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
Some recent dereverberation approaches that have been effective for automatic speech recognition (ASR) applications, model reverberation as a linear convolution operation in the s...
COMPUTING
2007
14 years 9 months ago
2007
Hierarchical matrices (H-matrices) approximate matrices in a data-sparse way, and the approximate arithmetic for H-matrices is almost optimal. In this paper we present an algebrai...
COLING
2008
14 years 11 months ago
2008
In this paper, an extension of a dimensionality reduction algorithm called NONNEGATIVE MATRIX FACTORIZATION is presented that combines both `bag of words' data and syntactic ...
CVPR
2001
IEEE
15 years 11 months ago
2001
IEEE
This paper describes a face detection approach via learning local features. The key idea is that local features, being manifested by a collection of pixels in a local region, are ...
ICIP
2008
IEEE
15 years 11 months ago
2008
IEEE
In this paper, we address the problem of hallucinating a high resolution face given a low resolution input face. The problem is approached through sparse coding. To exploit the fa...