Supervised and semi-supervised speech enhancement using weighted nonnegative matrix factorization.

Xia Zou Yonggang Hu Xiongwei Zhang

Published in: WCSP (2017)

Keyphrases

nonnegative matrix factorization
speech enhancement
supervised and semi supervised
semi supervised
noisy environments
noise reduction
negative matrix factorization

matrix factorization
signal to noise ratio
data representation
single channel
least squares
speech signal
principal component analysis

unlabeled data
spectral clustering
document clustering
original data
machine learning
pattern recognition
objective function

image processing
labeled data
unsupervised learning
dimensionality reduction
pairwise
feature selection