Newalgorithm for nonnegative matrix factorization using givens parameterization.
El Mostafa FadailiAntoine SouloumiacPublished in: EUSIPCO (2008)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- matrix factorization
- negative matrix factorization
- data representation
- spectral clustering
- active set
- sparse matrix
- least squares
- nonnegative matrix
- principal component analysis
- sparsity constraints
- original data
- clustering method
- data matrix
- objective function
- pattern recognition
- dimensionality reduction
- collaborative filtering
- pairwise
- image segmentation