Combined higher order non-convex total variation with overlapping group sparsity for impulse noise removal.
Tarmizi AdamRaveendran ParamesranMingming YinKuru RatnaveluPublished in: Multim. Tools Appl. (2021)
Keyphrases
- impulse noise removal
- total variation
- higher order
- convex optimization
- image restoration
- anisotropic diffusion
- image deblurring
- structured sparsity
- denoising
- image denoising
- convex optimization problems
- low rank
- natural images
- impulsive noise
- high order
- regularization methods
- markov random field
- mumford shah
- image processing
- edge preservation
- regularization term
- noise removal
- color images
- impulse noise
- sparse coding
- median filter
- least squares
- noisy pixels
- high quality