239 search results - page 35 / 48 » Document clustering using nonnegative matrix factorization |
INTERSPEECH
2010
13 years 3 months ago
2010
We propose a probabilistic factorial sparse coder model for single channel source separation in the magnitude spectrogram domain. The mixture spectrogram is assumed to be the sum ...
ICASSP
2011
IEEE
13 years 11 days 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...
CICLING
2009
Springer
14 years 9 months ago
2009
Springer
Abstract. We describe a semantic clustering method designed to address shortcomings in the common bag-of-words document representation for functional semantic classification tasks....
CONTEXT
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. This paper presents a statistical framework based on Principal Component Analysis (PCA) for discovering the contextual factors which most strongly influence user behavio...
BMCBI
2005
13 years 8 months ago
2005
Background: Collections of transcription factor binding profiles (Transfac, Jaspar) are essential to identify regulatory elements in DNA sequences. Subsets of highly similar profi...