Discrimination of speech and non-linguistic vocalizations by Non-Negative Matrix Factorization.
Björn W. SchullerFelix WeningerPublished in: ICASSP (2010)
Keyphrases
- negative matrix factorization
- matrix factorization
- nonnegative matrix factorization
- speech recognition
- document clustering
- sparse representation
- principal component analysis
- constrained least squares
- natural language
- speech signal
- natural language processing
- sparsity constraints
- feature selection
- question answering
- digital libraries
- spectral clustering
- pattern recognition
- knowledge base
- computer vision