Efficient initialization for nonnegative matrix factorization based on nonnegative independent component analysis.
Daichi KitamuraNobutaka OnoPublished in: IWAENC (2016)
Keyphrases
- nonnegative matrix factorization
- independent component analysis
- principal component analysis
- matrix factorization
- negative matrix factorization
- factor analysis
- data representation
- blind source separation
- independent components
- signal processing
- face recognition
- least squares
- spectral clustering
- principal components
- original data
- neural network
- matrix factorisation
- document clustering
- feature space
- pattern recognition
- missing data
- dimensionality reduction
- recommender systems
- sparsity constraints
- data sets