A Positivity-Preserving Numerical Scheme for a Nonlinear Fourth Order Parabolic System.
Ansgar JüngelPublished in: SIAM J. Numer. Anal. (2001)
Keyphrases
- fourth order
- numerical scheme
- partial differential equations
- anisotropic diffusion
- diffusion equation
- nonlinear diffusion
- scale spaces
- noise removal
- finite difference
- image denoising
- level set
- scale space
- image enhancement
- high order
- multiscale
- image processing
- edge preserving
- energy functional
- numerical solution
- edge detection
- diffusion process
- boundary conditions
- differential equations
- image interpolation
- wavelet transform
- image analysis
- object recognition
- higher order