Geometrical Formulation of the Nonnegative Matrix Factorization.
Shotaro AkahoHideitsu HinoNeneka NaraNoboru MurataPublished in: ICONIP (3) (2018)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- negative matrix factorization
- matrix factorization
- data representation
- nonnegative matrix
- principal component analysis
- spectral clustering
- active set
- least squares
- document clustering
- objective function
- original data
- sparsity constraints
- collaborative filtering
- factor matrices
- image sequences
- information retrieval