Hypersharpening by Joint-Criterion Nonnegative Matrix Factorization.
Moussa Sofiane KarouiYannick DevilleFatima Zohra BenhaloucheIssam BoukerchPublished in: IEEE Trans. Geosci. Remote. Sens. (2017)
Keyphrases
- nonnegative matrix factorization
- negative matrix factorization
- probabilistic latent semantic indexing
- matrix factorization
- active set
- data representation
- least squares
- spectral clustering
- nonnegative matrix
- principal component analysis
- original data
- document clustering
- objective function
- feature selection
- sparsity constraints
- factor matrices
- text categorization
- unsupervised learning
- relational databases
- normalized cut
- information retrieval