Keyphrases
- low rank
- dictionary learning
- group sparsity
- hyperspectral image classification
- sparse coding
- linear combination
- sparse representation
- sparsity constraints
- missing data
- convex optimization
- singular value decomposition
- matrix factorization
- high dimensional data
- active learning
- high order
- semi supervised
- hyperspectral
- dimensionality reduction
- structured sparsity
- learning process
- multiscale
- learning algorithm
- kernel function
- decision trees