An alternative natural gradient approach for ICA based learning algorithms in blind source separation.
Andrea ArcangeliStefano SquartiniFrancesco PiazzaPublished in: EUSIPCO (2004)
Keyphrases
- natural gradient
- blind source separation
- independent component analysis
- learning algorithm
- learning rate
- mixing matrix
- non stationary
- source separation
- independent components
- blind separation
- independent components analysis
- principal component analysis
- factor analysis
- signal processing
- negative matrix factorization
- sparse representation
- source signals
- convergence speed
- convergence rate
- policy gradient
- reinforcement learning
- neural network