Initialization for Multichannel Nonnegative Matrix Factorization Using Nonnegative Independent Component Analysis.
Takahiro UshijimaTaiki IzumiTakanobu UramotoShingo UenoharaKen'ichi FuruyaPublished in: GCCE (2019)
Keyphrases
- 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