Nonnegative matrix factorization with gradient vertex pursuit.
Dung N. TranTao XiongSang Peter ChinTrac D. TranPublished in: ICASSP (2015)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- matrix factorization
- data representation
- negative matrix factorization
- least squares
- active set
- principal component analysis
- spectral clustering
- nonnegative matrix
- document clustering
- data sets
- pattern recognition
- information retrieval
- objective function