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Extending Nonnegative Matrix Factorization - A discussion in the context of multiple frequency estimation of musical signals.
Stanislaw Andrzej Raczynski
Nobutaka Ono
Shigeki Sagayama
Published in:
EUSIPCO (2009)
Keyphrases
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nonnegative matrix factorization
matrix factorization
data representation
probabilistic latent semantic indexing
spectral clustering
least squares
signal processing
active set
information retrieval
multiscale
objective function
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unsupervised learning