A family of fourth-order difference schemes on rotated grid for two-dimensional convection-diffusion equation.
Jun ZhangJules KouatchouLixin GePublished in: Math. Comput. Simul. (2002)
Keyphrases
- diffusion equation
- fourth order
- noise removal
- anisotropic diffusion
- partial differential equations
- nonlinear diffusion
- scale space
- image enhancement
- diffusion process
- scale spaces
- diffusion processes
- edge detection
- denoising
- noise reduction
- piecewise smooth
- numerical solution
- cubic convolution
- edge preserving
- boundary conditions
- level set
- mathematical morphology
- image denoising
- multiscale
- image processing
- edge map
- high order
- image restoration
- structure tensor
- pattern recognition