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Mixed penalization in convolutive nonnegative matrix factorization for blind speech dereverberation.
Francisco Javier Ibarrola
Leandro E. Di Persia
Ruben D. Spies
Published in:
CoRR (2017)
Keyphrases
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nonnegative matrix factorization
probabilistic latent semantic indexing
matrix factorization
data representation
negative matrix factorization
least squares
active set
nonnegative matrix
principal component analysis
document clustering
spectral clustering
original data
data sets
objective function
keywords