296 search results - page 30 / 60 » Weighted nonnegative matrix factorization |
TKDE
2011
13 years 2 months ago
2011
—Previous studies have demonstrated that document clustering performance can be improved significantly in lower dimensional linear subspaces. Recently, matrix factorization base...
CVPR
2001
IEEE
14 years 9 months ago
2001
IEEE
In this paper, we propose a novel method, called local nonnegative matrix factorization (LNMF), for learning spatially localized, parts-based subspace representation of visual pat...
ICASSP
2011
IEEE
12 years 11 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...
ICA
2010
Springer
13 years 8 months ago
2010
Springer
Abstract. In recent years, there has been a great deal of work in modeling audio using non-negative matrix factorization and its probabilistic counterparts as they yield rich model...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Non-negative Matrix Factorization (NMF) has found use in single channel separation of audio signals, as it gives a parts-based decomposition of audio spectrograms where the parts ...