A high-order non field-aligned approach for the discretization of strongly anisotropic diffusion operators in magnetic fusion.
Giorgio GiorgianiHugo BufferandFrédéric SchwanderEric SerreP. TamainPublished in: Comput. Phys. Commun. (2020)
Keyphrases
- high order
- anisotropic diffusion
- partial differential equations
- fourth order
- higher order
- edge preserving
- noise removal
- edge detection
- low order
- diffusion process
- bilateral filtering
- diffusion equation
- edge enhancement
- edge preservation
- pairwise
- lower order
- diffusion coefficient
- nonlinear filtering
- adaptive smoothing
- impulse noise removal
- bayesian logistic regression
- nonlinear diffusion
- markov random field
- diffusion tensor
- half quadratic
- numerical solution
- tensor analysis
- noise reduction
- color images