Nonconvex Nonseparable Sparse Nonnegative Matrix Factorization for Hyperspectral Unmixing.
Fengchao XiongJun ZhouJianfeng LuYuntao QianPublished in: IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. (2020)
Keyphrases
- nonnegative matrix factorization
- hyperspectral
- sparsity constraints
- infrared
- hyperspectral images
- negative matrix factorization
- hyperspectral data
- remote sensing
- objective function
- multispectral
- matrix factorization
- hyperspectral imagery
- least squares
- image data
- data representation
- sparse representation
- target detection
- information content
- principal component analysis
- spectral clustering
- high dimensional
- spectral signatures
- satellite images
- random projections
- document clustering
- convex optimization
- image analysis
- sparse coding
- original data
- data analysis
- pattern recognition