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Initialization for Multichannel Nonnegative Matrix Factorization Using Nonnegative Independent Component Analysis.
Takahiro Ushijima
Taiki Izumi
Takanobu Uramoto
Shingo Uenohara
Ken'ichi Furuya
Published in:
GCCE (2019)
Keyphrases
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nonnegative matrix factorization
independent component analysis
principal component analysis
single channel
negative matrix factorization
independent components
factor analysis
data representation
signal processing
least squares
matrix factorization
principal components
feature extraction
spectral clustering
k means
face recognition
low dimensional
blind source separation
feature space
document clustering
multi channel
matrix factorisation
sparsity constraints
factor matrices
high dimensional data