Virtual Label Constraint Nonnegative Matrix Factorization.
Xiaobing PeiChangqing ChenWeihua GongPublished in: FSKD (2015)
Keyphrases
- nonnegative matrix factorization
- negative matrix factorization
- sparsity constraints
- probabilistic latent semantic indexing
- matrix factorization
- active set
- least squares
- data representation
- spectral clustering
- nonnegative matrix
- original data
- document clustering
- principal component analysis
- image sequences
- text categorization
- unsupervised learning
- collaborative filtering