Source separation using regularized NMF with MMSE estimates under GMM priors with online learning for the uncertainties.
Emad M. GraisHakan ErdoganPublished in: Digit. Signal Process. (2014)
Keyphrases
- online learning
- source separation
- blind source separation
- negative matrix factorization
- gaussian mixture model
- independent component analysis
- denoising
- bregman divergences
- single channel
- e learning
- bayesian framework
- feature vectors
- temporal structure
- expectation maximization
- active learning
- prior information
- maximum a posteriori
- sparse representation
- maximum likelihood
- prior knowledge
- gaussian process
- non stationary