107 search results - page 10 / 22 » Descent methods for Nonnegative Matrix Factorization |
ICPR
2002
IEEE
16 years 26 days 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
15 years 6 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 ...
104
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NIPS
2004
15 years 1 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
14 years 11 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...
82
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BMCBI
2008
14 years 12 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...