Adaptive fourth-order partial differential equation filter for image denoising.
Xinwu LiuLihong HuangZhenyuan GuoPublished in: Appl. Math. Lett. (2011)
Keyphrases
- partial differential equations
- image denoising
- fourth order
- denoising
- anisotropic diffusion
- edge preservation
- natural images
- noisy images
- noise removal
- total variation
- image processing
- nonlinear diffusion
- numerical algorithms
- wavelet coefficients
- noise suppression
- bilateral filtering
- denoising methods
- denoising algorithm
- wavelet domain
- diffusion equation
- mathematical morphology
- smooth regions
- energy functional
- multiscale
- level set
- gaussian noise
- edge preserving
- multiresolution
- shift invariant
- higher order
- high order