Generalized nonconvex nonsmooth four-directional total variation with overlapping group sparsity for image restoration.
Rong LiBing ZhengPublished in: J. Comput. Appl. Math. (2024)
Keyphrases
- total variation
- image restoration
- convex optimization
- regularization term
- structured sparsity
- regularization methods
- low rank
- super resolution
- image processing
- edge preserving
- total variation minimization
- image deblurring
- markov random field
- regularization parameter
- blurred images
- sparse coding
- image restoration problems
- convex relaxation
- augmented lagrangian
- motion blur
- objective function
- gaussian noise
- primal dual
- degraded images
- computer vision
- total least squares
- high resolution
- inverse problems
- wavelet transform
- denoising
- optimization problems
- image denoising