Unsupervised edge-preserving image restoration via a saddle point approximation.
Luigi BediniAnna TonazziniSalvatore MinutoliPublished in: Image Vis. Comput. (1999)
Keyphrases
- edge preserving
- image restoration
- total variation
- edge preserving regularization
- super resolution
- image processing
- blurred images
- markov random field
- regularization parameter
- half quadratic
- variational inequalities
- approximation algorithms
- image restoration problems
- regularization methods
- primal dual
- high resolution
- noise reduction
- model selection
- least squares
- cross validation
- natural images
- np hard
- linear shift invariant