Underdetermined blind source separation using sparse representations.
Pau BofillMichael ZibulevskyPublished in: Signal Process. (2001)
Keyphrases
- sparse representation
- blind source separation
- mixing matrix
- source signals
- negative matrix factorization
- dictionary learning
- sparse coding
- blind separation
- source separation
- face recognition
- random projections
- image classification
- independent components
- image patches
- high dimensional data
- image representation
- signal processing
- non stationary
- independent component analysis
- feature representation
- object recognition
- denoising
- machine learning