Automatic Rank Determination in Projective Nonnegative Matrix Factorization.
Zhirong YangZhanxing ZhuErkki OjaPublished in: LVA/ICA (2010)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- data representation
- negative matrix factorization
- active set
- matrix factorization
- nonnegative matrix
- principal component analysis
- least squares
- spectral clustering
- objective function
- pairwise
- pattern recognition
- sparsity constraints
- feature extraction
- factor matrices
- machine learning
- data sets