Div First-Order System LL* (FOSLL*) for Second-Order Elliptic Partial Differential Equations.
Zhiqiang CaiRobert D. FalgoutShun ZhangPublished in: SIAM J. Numer. Anal. (2015)
Keyphrases
- partial differential equations
- fourth order
- higher order
- difference equations
- high order
- finite difference
- anisotropic diffusion
- image denoising
- image processing
- differential operators
- level set
- numerical solution
- boundary value problem
- first order logic
- multiscale
- image enhancement
- numerical methods
- curve evolution
- energy functional
- mathematical morphology
- natural images
- differential equations
- diffusion equation
- nonlinear diffusion
- numerical algorithms
- problems in image processing
- finite difference method
- markov random field
- ambrosio tortorelli