A FFT accelerated high order finite difference method for elliptic boundary value problems over irregular domains.
Yiming RenHongsong FengShan ZhaoPublished in: J. Comput. Phys. (2022)
Keyphrases
- high order
- partial differential equations
- boundary value problem
- finite difference method
- numerical solution
- differential equations
- higher order
- anisotropic diffusion
- numerical methods
- fourth order
- finite element method
- pairwise
- heat equation
- energy functional
- image processing
- markov random field
- scale spaces
- image enhancement
- level set
- finite element
- boundary conditions
- curve evolution
- diffusion equation
- multiscale
- low dimensional
- linear combination