Optimal Solvers for Fourth-Order PDEs Discretized on Unstructured Grids.

Shuo Zhang Jinchao Xu

Published in: SIAM J. Numer. Anal. (2014)

Keyphrases

fourth order
partial differential equations
noise removal
high order
image interpolation
estimation error
anisotropic diffusion
numerical algorithms
nonlinear diffusion
edge preservation
level set
image denoising
edge preserving
image analysis
pairwise
multiscale
image processing
computer vision