561 search results - page 30 / 113 » Algorithms and applications for approximate nonnegative matr... |
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
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 ...
STACS
2007
Springer
14 years 1 months ago
2007
Springer
We consider the problem of computing an approximate minimum cycle basis of an undirected non-negative edge-weighted graph G with m edges and n vertices; the extension to directed ...
EMMCVPR
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. Reverse-convex programming (RCP) concerns global optimization of a specific class of non-convex optimization problems. We show that a recently proposed model for sparse ...
COMPUTING
2006
13 years 7 months ago
2006
We investigate the numerical solution of large-scale Lyapunov equations with the sign function method. Replacing the usual matrix inversion, addition, and multiplication by format...