On the use of convolutive nonnegative matrix factorization with mixed penalization for blind speech dereverberation.
Francisco Javier IbarrolaLeandro E. Di PersiaRuben D. SpiesPublished in: CLEI (2017)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- negative matrix factorization
- data representation
- active set
- matrix factorization
- least squares
- spectral clustering
- nonnegative matrix
- principal component analysis
- sparsity constraints
- document clustering
- objective function
- multiscale
- feature selection
- unsupervised learning
- pattern recognition