Primal-dual algorithm to solve the constrained second-order total generalized variational model for image denoising.
Xinwei LiuYuchao TangYixuan YangPublished in: J. Electronic Imaging (2019)
Keyphrases
- image denoising
- denoising
- natural images
- noisy images
- partial differential equations
- image processing
- total variation
- wavelet domain
- wavelet coefficients
- higher order
- bilateral filtering
- denoising algorithm
- nonlocal means
- undecimated wavelet transform
- additive gaussian noise
- denoising methods
- total variation regularization
- wavelet domain hidden markov tree
- image deblurring
- fourth order
- nonlinear diffusion
- noise level
- input image
- pairwise
- object recognition