Keyphrases
- nonnegative matrix factorization
- hyperspectral
- sparsity constraints
- hyperspectral images
- hyperspectral data
- multispectral
- remote sensing
- negative matrix factorization
- hyperspectral imagery
- matrix factorization
- infrared
- data representation
- target detection
- image data
- information content
- least squares
- document clustering
- spectral clustering
- principal component analysis
- original data
- satellite images
- sparse representation
- high dimensional
- multispectral images
- information retrieval
- kernel function
- feature extraction
- image segmentation
- computer vision