Blind source separation of more sources than mixtures using overcomplete representations.
Te-Won LeeMichael S. LewickiMark A. GirolamiTerrence J. SejnowskiPublished in: IEEE Signal Process. Lett. (1999)
Keyphrases
- blind source separation
- source separation
- sparse representation
- blind separation
- component analysis
- source signals
- independent component analysis
- non stationary
- mixing matrix
- negative matrix factorization
- convolutive mixtures
- adaptive particle swarm optimization
- speech signal
- natural images
- algebraic equations
- natural gradient
- linear combination
- eigenvalue decomposition
- independent components
- factor analysis
- image classification
- image processing
- discriminant analysis
- basis functions
- face recognition