Initialization of nonnegative matrix factorization dictionaries for single channel source separation.
Emad M. GraisHakan ErdoganPublished in: SIU (2013)
Keyphrases
- single channel
- source separation
- multi channel
- matrix factorization
- negative matrix factorization
- sparse representation
- independent component analysis
- frequency domain
- prior information
- wiener filter
- brain activity
- wavelet decomposition
- collaborative filtering
- recommender systems
- feature space
- text classification
- computer vision
- prior knowledge
- sound source
- pattern recognition