An efficient fourth-order low dispersive finite difference scheme for a 2-D acoustic wave equation.
Sambit DasWenyuan LiaoAnirudh GuptaPublished in: J. Comput. Appl. Math. (2014)
Keyphrases
- finite difference
- partial differential equations
- hamilton jacobi
- fourth order
- wave equation
- numerical solution
- anisotropic diffusion
- level set
- diffusion equation
- image denoising
- noise removal
- finite element
- high order
- image processing
- image enhancement
- numerical methods
- energy functional
- multiscale
- numerical analysis
- nonlinear diffusion
- differential equations
- image interpolation
- energy function
- medial axis