Fourth-order compact and energy conservative difference schemes for the nonlinear Schrödinger equation in two dimensions.
Tingchun WangBoling GuoQiubin XuPublished in: J. Comput. Phys. (2013)
Keyphrases
- fourth order
- partial differential equations
- hamilton jacobi
- wave equation
- heat equation
- nonlinear diffusion
- scale spaces
- finite difference
- diffusion equation
- numerical algorithms
- anisotropic diffusion
- high order
- scale space
- noise removal
- eikonal equation
- image denoising
- numerical solution
- difference equations
- image processing
- diffusion process
- level set
- distance transform
- multiscale
- image interpolation
- energy functional
- image enhancement
- denoising
- level set method
- finite element
- noisy images
- numerical methods
- medial axis
- natural images
- edge detection