Off-diagonal symmetric nonnegative matrix factorization.
François MoutierArnaud VandaeleNicolas GillisPublished in: Numer. Algorithms (2021)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- matrix factorization
- negative matrix factorization
- least squares
- data representation
- active set
- spectral clustering
- principal component analysis
- nonnegative matrix
- objective function
- document clustering
- sparse representation
- sparsity constraints
- pattern recognition
- text mining
- image processing