Quadratic nonnegative matrix factorization.
Zhirong YangErkki OjaPublished in: Pattern Recognit. (2012)
Keyphrases
- nonnegative matrix factorization
- objective function
- probabilistic latent semantic indexing
- negative matrix factorization
- matrix factorization
- data representation
- least squares
- spectral clustering
- pairwise
- principal component analysis
- nonnegative matrix
- active set
- document clustering
- original data
- sparsity constraints
- sparse representation
- cluster analysis
- semi supervised
- image retrieval
- pattern recognition