Blind source separation using monochannel overcomplete dictionaries.
B. Vikrham GowreesunkerAhmed H. TewfikPublished in: ICASSP (2008)
Keyphrases
- blind source separation
- sparse representation
- component analysis
- negative matrix factorization
- sparse coding
- adaptive particle swarm optimization
- image classification
- mixing matrix
- blind separation
- face recognition
- image patches
- image representation
- source separation
- random projections
- signal processing
- natural gradient
- high dimensional data
- eigenvalue decomposition
- source signals
- independent component analysis
- dimensionality reduction
- image features
- algebraic equations
- data analysis
- independent components
- object recognition
- non stationary
- natural images