Keyphrases
- image restoration
- group sparsity
- structured sparsity
- sparse coding
- low rank
- total variation
- edge preserving
- sparse representation
- image processing
- regularization methods
- markov random field
- super resolution
- objective function
- linear combination
- image deblurring
- regularization method
- convex optimization
- image classification
- regularization parameter
- pairwise
- compressive sensing
- image representation
- high resolution
- higher order
- learning problems
- missing data
- machine learning
- generative model
- natural images