A New Two-Stage Approach to Underdetermined Blind Source Separation using Sparse Representation.
Wei ZhangJu LiuJiande SunShuzhong BaPublished in: ICASSP (3) (2007)
Keyphrases
- sparse representation
- blind source separation
- mixing matrix
- negative matrix factorization
- dictionary learning
- sparse coding
- source signals
- blind separation
- source separation
- face recognition
- random projections
- image representation
- signal processing
- image classification
- high dimensional data
- dimensionality reduction
- image patches
- independent components
- independent component analysis
- non stationary
- feature extraction