Sparse component analysis based on an improved ant K-means clustering algorithm for underdetermined blind source separation.
Shuang WeiFeng WangDefu JiangPublished in: ICNSC (2019)
Keyphrases
- blind source separation
- mixing matrix
- component analysis
- independent component analysis
- non stationary
- source signals
- blind separation
- source separation
- natural gradient
- negative matrix factorization
- adaptive particle swarm optimization
- ant colony optimization
- speech signal
- clustering algorithm
- sparse representation
- k means
- algebraic equations
- eigenvalue decomposition
- factor analysis
- feature vectors
- nearest neighbor
- probabilistic model
- high dimensional