Exploitation of source nonstationarity in underdetermined blind source separation with advanced clustering techniques.
Yuhui LuoWenwu WangJonathon A. ChambersSangarapillai LambotharanIan K. ProudlerPublished in: IEEE Trans. Signal Process. (2006)
Keyphrases
- blind source separation
- source signals
- non stationary
- mixing matrix
- independent component analysis
- blind separation
- eigenvalue decomposition
- source separation
- clustering method
- clustering algorithm
- k means
- natural gradient
- negative matrix factorization
- adaptive particle swarm optimization
- independent components
- document clustering
- algebraic equations
- unsupervised learning
- speech signal
- factor analysis
- spectral clustering
- sparse representation
- face recognition
- data sets
- single channel
- data clustering
- high dimensional data