Blind source separation based on fast-convergence algorithm using ICA and beamforming for real convolutive mixture.
Hiroshi SaruwatariToshiya KawamuraKatsuyuki SawaiAtsunobu KaminumaMasao SakataPublished in: ICASSP (2002)
Keyphrases
- blind source separation
- mixing matrix
- variable step size
- independent component analysis
- source separation
- independent components
- natural gradient
- k means
- convergence rate
- blind separation
- expectation maximization
- negative matrix factorization
- algebraic equations
- faster convergence
- independent components analysis
- eigenvalue decomposition
- learning algorithm
- non stationary
- multiscale
- similarity measure
- cost function
- neural network