Speech enhancement based on nonnegative matrix factorization with mixed group sparsity constraint.
Hien-Thanh DuongQuoc-Cuong NguyenCong-Phuong NguyenThanh-Huan TranNgoc Q. K. DuongPublished in: SoICT (2015)
Keyphrases
- nonnegative matrix factorization
- negative matrix factorization
- matrix factorization
- least squares
- spectral clustering
- original data
- principal component analysis
- document clustering
- feature selection
- dictionary learning
- objective function
- model selection
- collaborative filtering
- noise reduction
- semi supervised
- prior knowledge
- computer vision