Selecting β-Divergence for Nonnegative Matrix Factorization by Score Matching.
Zhiyun LuZhirong YangErkki OjaPublished in: ICANN (2) (2012)
Keyphrases
- nonnegative matrix factorization
- matrix factorization
- probabilistic latent semantic indexing
- data representation
- negative matrix factorization
- nonnegative matrix
- active set
- least squares
- principal component analysis
- document clustering
- spectral clustering
- original data
- machine learning
- sparsity constraints
- objective function
- image processing
- data exchange
- text categorization
- face recognition