Discriminative nonnegative dictionary learning using cross-coherence penalties for single channel source separation.
Emad M. GraisHakan ErdoganPublished in: INTERSPEECH (2013)
Keyphrases
- dictionary learning
- single channel
- source separation
- multi channel
- sparse representation
- sparse coding
- independent component analysis
- unsupervised learning
- frequency domain
- brain activity
- feature extraction
- blind source separation
- prior information
- face recognition
- signal processing
- wiener filter
- semi supervised
- wavelet decomposition
- sound source
- linear combination
- image classification
- low level
- pairwise
- negative matrix factorization
- non stationary
- pattern recognition