Gaussian Mixture Gain Priors for Regularized Nonnegative Matrix Factorization in Single-Channel Source Separation.
Emad M. GraisHakan ErdoganPublished in: INTERSPEECH (2012)
Keyphrases
- single channel
- source separation
- multi channel
- prior information
- matrix factorization
- independent component analysis
- expectation maximization
- wavelet decomposition
- frequency domain
- negative matrix factorization
- bayesian framework
- gaussian mixture model
- em algorithm
- probability density function
- prior knowledge
- mixture model
- least squares
- signal processing
- maximum a posteriori
- brain activity
- objective function
- wiener filter
- probabilistic model
- generative model