Improved extreme value weighted sparse representational image denoising with random perturbation.
Shibin XuanYulan HanPublished in: J. Electronic Imaging (2015)
Keyphrases
- image denoising
- extreme values
- denoising
- natural images
- total variation
- noisy images
- partial differential equations
- image processing
- soft thresholding
- bilateral filtering
- wavelet domain
- denoising algorithm
- additive gaussian noise
- wavelet coefficients
- nonlocal means
- image inpainting
- augmented lagrangian
- undecimated wavelet transform
- wavelet domain hidden markov tree
- nonlinear diffusion
- sparse representation
- edge preservation
- higher order