Noise-to-mask ratio minimization by weighted non-negative matrix factorization.
Joonas NikunenTuomas VirtanenPublished in: ICASSP (2010)
Keyphrases
- negative matrix factorization
- matrix factorization
- nonnegative matrix factorization
- sparse representation
- document clustering
- constrained least squares
- principal component analysis
- missing data
- image classification
- spectral clustering
- co occurrence
- objective function
- information retrieval
- blind source separation
- computer vision
- clustering method
- feature extraction
- tensor factorization