296 search results - page 9 / 60 » Weighted nonnegative matrix factorization |
SIGIR
2003
ACM
14 years 27 days ago
2003
ACM
In this paper, we propose a novel document clustering method based on the non-negative factorization of the termdocument matrix of the given document corpus. In the latent semanti...
ICMCS
2006
IEEE
14 years 1 months ago
2006
IEEE
We present a new scheme for digital watermarking and secure copyright protection of digital images using nonnegative matrix factorization and singular value decomposition approach...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
This paper concerns the adaptation of spectrum dictionaries in audio source separation with supervised learning. Supposing that samples of the audio sources to separate are availa...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
This article deals with a regularized version of the split gradient method (SGM), leading to multiplicative algorithms. The proposed algorithm is available for the optimization of...
SIAMSC
2008
13 years 7 months ago
2008
In this study, nonnegative matrix factorization is recast as the problem of approximating a polytope on the probability simplex by another polytope with fewer facets. Working on th...