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Discovering Phone Patterns in Spoken Utterances by Non-Negative Matrix Factorization.
Veronique Stouten
Kris Demuynck
Hugo Van hamme
Published in:
IEEE Signal Process. Lett. (2008)
Keyphrases
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negative matrix factorization
matrix factorization
nonnegative matrix factorization
sparse representation
document clustering
principal component analysis
constrained least squares
email
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