Time-Frequency Approach to Underdetermined Blind Source Separation.
Shengli XieLiu YangJun-Mei YangGuoxu ZhouYong XiangPublished in: IEEE Trans. Neural Networks Learn. Syst. (2012)
Keyphrases
- blind source separation
- mixing matrix
- independent component analysis
- component analysis
- source signals
- non stationary
- blind separation
- signal processing
- source separation
- natural gradient
- adaptive particle swarm optimization
- negative matrix factorization
- wavelet transform
- independent components
- eigenvalue decomposition
- factor analysis
- sparse representation
- frequency domain
- pattern recognition
- speech signal
- multiscale
- algebraic equations
- random projections