Relaxation of rank-1 spatial constraint in overdetermined blind source separation.
Daichi KitamuraNobutaka OnoHiroshi SawadaHirokazu KameokaHiroshi SaruwatariPublished in: EUSIPCO (2015)
Keyphrases
- blind source separation
- component analysis
- independent component analysis
- non stationary
- source separation
- adaptive particle swarm optimization
- spatial information
- blind separation
- negative matrix factorization
- mixing matrix
- spatio temporal
- eigenvalue decomposition
- natural gradient
- independent components
- algebraic equations
- factor analysis
- speech signal
- sparse representation
- neural network