Iterative shrinkage thresholding algorithm with redundant dictionary for image denoising.
Yu LuHuahua ChenPublished in: BMEI (2011)
Keyphrases
- image denoising
- thresholding algorithm
- denoising
- sparse and redundant representations
- natural images
- soft thresholding
- wavelet shrinkage
- noisy images
- total variation
- image processing
- wavelet domain
- partial differential equations
- wavelet coefficients
- total variation regularization
- denoising methods
- shrinkage functions
- bilateral filtering
- image deblurring
- nonlinear diffusion
- nonlocal means
- sparse representation
- higher order
- augmented lagrangian
- additive gaussian noise
- wavelet domain hidden markov tree
- computer vision
- wavelet denoising
- rudin osher fatemi
- anisotropic diffusion
- convex optimization
- frequency domain
- signal processing