Underdetermined sparse source separation of convolutive mixtures with observation vector clustering.
Shoko ArakiHiroshi SawadaRyo MukaiShoji MakinoPublished in: ISCAS (2006)
Keyphrases
- mixing matrix
- blind source separation
- source separation
- blind separation
- independent component analysis
- non stationary
- negative matrix factorization
- clustering algorithm
- sparse representation
- source signals
- k means
- clustering method
- document clustering
- random projections
- feature vectors
- speech signal
- spectral clustering
- data points
- cluster analysis
- data clustering
- independent components
- factor analysis
- feature space
- multiscale
- computer vision