Anisotropic Variational Models for Image Denoising Based on Directional Hessian.
Guangyu YangWeibo WeiZhenkuan PanPublished in: J. Math. Imaging Vis. (2023)
Keyphrases
- image denoising
- contourlet transform
- denoising
- partial differential equations
- anisotropic diffusion
- directional filter banks
- diffusion filtering
- noisy images
- wavelet shrinkage
- natural images
- total variation
- wavelet domain
- wavelet coefficients
- image processing
- noise removal
- diffusion equation
- singularity detection
- bilateral filtering
- denoising algorithm
- total variation regularization
- additive gaussian noise
- wavelet domain hidden markov tree
- image inpainting
- image deblurring
- tensor field
- nonlocal means
- denoising methods
- edge preserving
- augmented lagrangian
- gaussian noise
- high frequency
- multiscale