Elastic Wave Propagation in Curvilinear Coordinates with Mesh Refinement Interfaces by a Fourth Order Finite Difference Method.
Lu ZhangSiyang WangN. Anders PeterssonPublished in: SIAM J. Sci. Comput. (2021)
Keyphrases
- wave propagation
- finite difference method
- fourth order
- partial differential equations
- mesh refinement
- anisotropic diffusion
- image denoising
- image processing
- numerical solution
- image enhancement
- level set
- numerical methods
- nonlinear diffusion
- noise removal
- multiscale
- finite element
- differential equations
- diffusion equation
- heat equation
- transmission line
- high order
- edge preserving
- image interpolation
- gaussian derivatives
- sufficient conditions
- active contours
- scale space
- image analysis