A new FV scheme and fast cell-centered multigrid solver for 3D anisotropic diffusion equations with discontinuous coefficients.
Kejia PanXiaoxin WuHongling HuYunlong YuZhilin LiPublished in: J. Comput. Phys. (2022)
Keyphrases
- diffusion equation
- anisotropic diffusion
- partial differential equations
- boundary conditions
- numerical scheme
- scale space
- filtering method
- diffusion process
- noise removal
- image enhancement
- scale spaces
- finite difference
- level set
- nonlinear diffusion
- image analysis
- diffusion processes
- multiscale
- image denoising
- pattern formation
- multiresolution
- reaction diffusion
- sufficient conditions
- edge detection
- image processing
- single image
- post processing
- feature space