Investigations on contrast functions for blind source separation based on non-Gaussianity and sparsity measures.
Mohamed SahmoudiKarim Abed-MeraimPublished in: ISSPA (2005)
Keyphrases
- blind source separation
- source signals
- sparse representation
- component analysis
- independent component analysis
- non stationary
- adaptive particle swarm optimization
- source separation
- mixing matrix
- blind separation
- algebraic equations
- eigenvalue decomposition
- negative matrix factorization
- natural gradient
- basis functions
- speech signal
- high dimensional
- pattern recognition
- image processing
- information retrieval systems
- object recognition
- independent components