Total variation denoising with overlapping group sparsity.
Ivan W. SelesnickPo-Yu ChenPublished in: ICASSP (2013)
Keyphrases
- total variation
- denoising
- structured sparsity
- regularization methods
- image denoising
- convex optimization
- convex optimization problems
- noisy images
- natural images
- regularization term
- image restoration
- image processing
- group lasso
- total variation regularization
- sparse coding
- augmented lagrangian
- fidelity term
- image deblurring
- nonlinear diffusion
- gaussian noise
- compressive sensing
- evolutionary algorithm
- interior point methods
- feature extraction
- computer vision