107 search results - page 10 / 22 » Descent methods for Nonnegative Matrix Factorization |
ICPR
2002
IEEE
14 years 8 months ago
2002
IEEE
The Non-negative Matrix Factorization technique (NMF) has been recently proposed for dimensionality reduction. NMF is capable to produce a region- or partbased representation of o...
ICASSP
2008
IEEE
14 years 1 months ago
2008
IEEE
Polyphonic pitch transcription consists of estimating the onset time, duration and pitch of each note in a music signal. This task is difficult in general, due to the wide range ...
NIPS
2004
13 years 8 months ago
2004
An auditory "scene", composed of overlapping acoustic sources, can be viewed as a complex object whose constituent parts are the individual sources. Pitch is known to be...
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...
BMCBI
2008
13 years 7 months ago
2008
Background: Nonnegative matrix factorization (NMF) is a feature extraction method that has the property of intuitive part-based representation of the original features. This uniqu...