Blind source separation based on a fast-convergence algorithm combining ICA and beamforming.
Hiroshi SaruwatariToshiya KawamuraTsuyoki NishikawaAkinobu LeeKiyohiro ShikanoPublished in: IEEE Trans. Speech Audio Process. (2006)
Keyphrases
- blind source separation
- variable step size
- natural gradient
- independent component analysis
- mixing matrix
- negative matrix factorization
- convergence rate
- learning algorithm
- algebraic equations
- non stationary
- neural network
- eigenvalue decomposition
- source separation
- cost function
- independent components
- probabilistic model
- k means
- similarity measure
- feature extraction
- data sets
- blind separation
- statistical independence
- independent components analysis
- adaptive particle swarm optimization