Optimization and expansion of non-negative matrix factorization.
Xihui LinPaul C. BoutrosPublished in: BMC Bioinform. (2020)
Keyphrases
- negative matrix factorization
- nonnegative matrix factorization
- matrix factorization
- sparse representation
- document clustering
- principal component analysis
- constrained least squares
- gradient method
- image processing
- data sets
- collaborative filtering
- spectral clustering
- clustering algorithm
- signal processing
- unsupervised learning
- tensor factorization