Spectral unmixing based on nonnegative matrix factorization with local smoothness constraint.
Zuyuan YangLiu YangZhaoquan CaiYong XiangPublished in: ChinaSIP (2015)
Keyphrases
- nonnegative matrix factorization
- smoothness constraint
- optical flow
- matrix factorization
- negative matrix factorization
- spatially varying
- data representation
- least squares
- motion segmentation
- energy function
- spectral clustering
- image intensity
- original data
- deformation field
- pixel wise
- principal component analysis
- document clustering
- objective function
- grey level
- semi supervised
- object recognition
- image patches
- mutual information
- data analysis
- model selection
- pattern recognition
- optical flow estimation
- support vector
- multiscale
- document collections