Image denoising using combined higher order non-convex total variation with overlapping group sparsity.
Tarmizi AdamRaveendran ParamesranPublished in: Multidimens. Syst. Signal Process. (2019)
Keyphrases
- total variation
- convex optimization
- higher order
- denoising
- image restoration
- augmented lagrangian
- image denoising
- structured sparsity
- convex optimization problems
- natural images
- regularization methods
- low rank
- markov random field
- image processing
- regularization term
- sparse coding
- high order
- interior point methods
- convex relaxation
- primal dual
- multiscale
- sparse representation
- regularization method
- group lasso