An Enhanced Fourth-Order PDE Model Based on Laplacian and Gradient Operator.
Junhai ZhangLiangchao LiJianyu YangPublished in: CIT (2012)
Keyphrases
- fourth order
- partial differential equations
- differential operators
- edge detection
- high order
- anisotropic diffusion
- noise removal
- gaussian derivatives
- image interpolation
- image denoising
- zero crossing
- numerical algorithms
- image processing
- image enhancement
- nonlinear diffusion
- level set
- multiscale
- laplace beltrami
- estimation error
- noisy images
- mathematical morphology
- structure tensor
- higher order
- denoising
- diffusion process