Discovering Phone Patterns in Spoken Utterances by Non-Negative Matrix Factorization.
Veronique StoutenKris DemuynckHugo Van hammePublished in: IEEE Signal Process. Lett. (2008)
Keyphrases
- negative matrix factorization
- matrix factorization
- nonnegative matrix factorization
- sparse representation
- document clustering
- principal component analysis
- constrained least squares
- face recognition
- spectral clustering
- speech recognition
- latent semantic space
- singular value decomposition
- text documents
- neural network
- data mining techniques
- natural language
- search engine
- information retrieval