Total variation image restoration using hyper-Laplacian prior with overlapping group sparsity.
Mingzhu ShiTingting HanShuaiqi LiuPublished in: Signal Process. (2016)
Keyphrases
- image restoration
- total variation
- structured sparsity
- regularization methods
- convex optimization
- sparse coding
- edge preserving
- image deblurring
- super resolution
- image processing
- total variation minimization
- markov random field
- regularization term
- regularization parameter
- blind deconvolution
- prior knowledge
- augmented lagrangian
- regularization method
- image restoration problems
- blurred images
- natural images
- restored image
- gaussian noise
- maximum a posteriori
- pairwise
- motion blur
- low rank
- image denoising
- compressive sensing
- linear combination
- denoising
- edge detection
- image reconstruction
- computer vision
- sparse representation