A Fourth-Order Unfitted Characteristic Finite Element Method for Solving the Advection-Diffusion Equation on Time-Varying Domains.
Chuwen MaQinghai ZhangWeiying ZhengPublished in: SIAM J. Numer. Anal. (2022)
Keyphrases
- diffusion equation
- fourth order
- finite element method
- partial differential equations
- boundary conditions
- noise removal
- numerical solution
- anisotropic diffusion
- nonlinear diffusion
- numerical methods
- scale space
- finite element
- image enhancement
- diffusion process
- scale spaces
- numerical simulations
- finite element model
- level set
- image denoising
- image processing
- denoising
- high order
- edge detection
- differential equations
- image interpolation
- edge preserving
- shape from shading
- sufficient conditions