A fast compact finite difference scheme for the fourth-order diffusion-wave equation.
Wan WangHaixiang ZhangZiyi ZhouXuehua YangPublished in: Int. J. Comput. Math. (2024)
Keyphrases
- fourth order
- semi implicit
- nonlinear diffusion
- finite difference
- hamilton jacobi
- partial differential equations
- wave equation
- anisotropic diffusion
- diffusion equation
- noise removal
- scale spaces
- denoising
- image denoising
- numerical solution
- edge preserving
- diffusion process
- image processing
- image enhancement
- edge detection
- high order
- level set
- filtering method
- energy functional
- curve evolution
- finite element
- differential equations
- signal to noise ratio
- numerical analysis
- sufficient conditions
- scale space
- image features
- shift invariant
- image analysis
- multiscale