A Compact Fourth Order Scheme for the Helmholtz Equation in Polar Coordinates.

S. Britt Semyon Tsynkov Eli Turkel

Published in: J. Sci. Comput. (2010)

Keyphrases

fourth order
polar coordinates
noise removal
high order
partial differential equations
image interpolation
anisotropic diffusion
fourier transform
zernike moments
nonlinear diffusion
denoising
estimation error
image denoising
image enhancement
image processing
higher order
multiscale