A fourth-order seven-point cubature on regular hexagons.

Daniel Lee Hui-Chun Tien

Published in: LMS J. Comput. Math. (2016)

Keyphrases

fourth order
noise removal
high order
partial differential equations
anisotropic diffusion
image interpolation
nonlinear diffusion
wavelet transform
denoising
estimation error
numerical algorithms
feature space
image features
higher order statistics
edge preservation