A positivity-preserving high order discontinuous Galerkin scheme for convection-diffusion equations.
Sashank SrinivasanJonathan PoggieXiangxiong ZhangPublished in: J. Comput. Phys. (2018)
Keyphrases
- high order
- diffusion equation
- partial differential equations
- scale spaces
- anisotropic diffusion
- higher order
- diffusion processes
- low order
- fourth order
- numerical solution
- differential equations
- finite difference
- nonlinear diffusion
- diffusion process
- image enhancement
- noise removal
- scale space
- pattern formation
- pairwise
- filtering method
- markov random field
- numerical methods
- level set
- lower order
- multiscale
- logistic regression
- wavelet transform
- tensor analysis
- bayesian logistic regression