165 search results - page 30 / 33 » Community discovery using nonnegative matrix factorization |
ICMCS
2009
IEEE
14 years 7 months ago
2009
IEEE
Abstract--In this paper, a novel method is proposed as a solution to the problem of frontal view recognition from multiview image sequences. Our aim is to correctly identify the vi...
JMLR
2010
14 years 4 months ago
2010
We show how a preselection of hidden variables can be used to efficiently train generative models with binary hidden variables. The approach is based on Expectation Maximization (...
TASLP
2010
14 years 4 months ago
2010
Multiple pitch estimation consists of estimating the fundamental frequencies and saliences of pitched sounds over short time frames of an audio signal. This task forms the basis of...
ISCAS
2006
IEEE
15 years 3 months ago
2006
IEEE
— A subspace supervised learning algorithm named Discriminant Non-negative Matrix Factorization (DNMF) has been recently proposed for classifying human facial expressions. It dec...
TASLP
2008
14 years 9 months ago
2008
Source separation of musical signals is an appealing but difficult problem, especially in the single-channel case. In this paper, an unsupervised single-channel music source separa...