Div First-Order System LL* (FOSLL*) for Second-Order Elliptic Partial Differential Equations.

Zhiqiang Cai Robert D. Falgout Shun Zhang

Published 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