Joint spatial variables nonnegative matrix factorization using constrained gradient method to pansharpen multispectral images.
Moussa Sofiane KarouiIssam BoukerchKhelifa DjerririPublished in: IVMSP (2016)
Keyphrases
- nonnegative matrix factorization
- gradient method
- negative matrix factorization
- multispectral images
- multispectral
- matrix factorization
- document clustering
- sparse representation
- spatial information
- remote sensing images
- convergence rate
- principal component analysis
- spectral clustering
- spatial resolution
- color images
- step size
- least squares
- remote sensing
- image data
- pattern recognition
- pairwise
- objective function
- data analysis
- feature space
- edge information
- optimization methods
- k means
- neural network
- missing data
- information extraction