296 search results - page 47 / 60 » Weighted nonnegative matrix factorization |
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
This paper presents a nonparametric Bayesian extension of nonnegative matrix factorization (NMF) for music signal analysis. Instrument sounds often exhibit non-stationary spectral...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Modern monaural voice and accompaniment separation systems usually consist of two main modules: melody extraction and timefrequency masking. A main distinction between different s...
CVPR
1999
IEEE
14 years 48 min ago
1999
IEEE
We propose an efficient solution to the general M-view projective reconstruction problem, using matrix factorization and iterative least squares. The method can accept input with ...
STOC
2009
ACM
14 years 8 months ago
2009
ACM
We present an improved oracle for the distance sensitivity problem. The goal is to preprocess a directed graph G = (V, E) with non-negative edge weights to answer queries of the f...
BMCBI
2007
13 years 7 months ago
2007
Background: The identification of transcription factors (TFs) associated with a biological process is fundamental to understanding its regulatory mechanisms. From microarray data,...