Underdetermined Convolutive BSS: Bayes Risk Minimization Based on a Mixture of Super-Gaussian Posterior Approximation.
Janghoon ChoChang D. YooPublished in: IEEE ACM Trans. Audio Speech Lang. Process. (2015)
Keyphrases
- risk minimization
- source signals
- mixing matrix
- blind source separation
- blind separation
- loss function
- source separation
- independent component analysis
- nonlinear functions
- empirical risk
- gaussian distribution
- gaussian convolution
- gaussian mixture model
- gaussian mixture
- gaussian model
- mixture distribution
- gaussian densities
- blind signal separation
- mixture model
- generalization error
- posterior distribution
- gaussian process
- decision trees
- support vector
- uniform convergence
- non stationary
- heavy tailed
- single channel
- expectation maximization
- maximum likelihood
- probability distribution
- density function
- bayesian framework
- em algorithm
- probabilistic model
- active learning
- pairwise
- training data
- data sets