49 search results - page 8 / 10 » Multiple kernel nonnegative matrix factorization |
KDD
2010
ACM
13 years 7 months ago
2010
ACM
Although tagging has become increasingly popular in online image and video sharing systems, tags are known to be noisy, ambiguous, incomplete and subjective. These factors can ser...
KDD
2005
ACM
14 years 9 months ago
2005
ACM
Dyadic data matrices, such as co-occurrence matrix, rating matrix, and proximity matrix, arise frequently in various important applications. A fundamental problem in dyadic data a...
ICASSP
2009
IEEE
14 years 3 months ago
2009
IEEE
This paper presents a new sparse representation for acoustic signals which is based on a mixing model defined in the complex-spectrum domain (where additivity holds), and allows ...
JMLR
2008
13 years 8 months ago
2008
We study a generative model in which hidden causes combine competitively to produce observations. Multiple active causes combine to determine the value of an observed variable thr...
ISCAS
2008
IEEE
14 years 3 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...