107 search results - page 18 / 22 » Descent methods for Nonnegative Matrix Factorization |
KDD
2002
ACM
14 years 7 months ago
2002
ACM
Large 0-1 datasets arise in various applications, such as market basket analysis and information retrieval. We concentrate on the study of topic models, aiming at results which in...
CVPR
2011
IEEE
13 years 3 months ago
2011
IEEE
We develop a dictionary learning method which is (i) online, (ii) enables overlapping group structures with (iii) non-convex sparsity-inducing regularization and (iv) handles the ...
SCIA
2009
Springer
14 years 1 months ago
2009
Springer
In this paper, we present an efficient system for action recognition from very short sequences. For action recognition typically appearance and/or motion information of an action ...
ISCAS
2008
IEEE
14 years 1 months ago
2008
IEEE
— Non-negative Matrix factorization (NMF) has increasingly been used as a tool in signal processing in the last couple of years. NMF, like independent component analysis (ICA) is...
ICASSP
2010
IEEE
13 years 5 months ago
2010
IEEE
In this paper, we propose a new method of blind source separation (BSS) for music signals. Our method has the following characteristics: 1) the method is a combination of the spar...