An EXCMG accelerated multiscale multigrid computation for 3D Poisson equation.

Ruxin Dai Pengpeng Lin Jun Zhang

Published in: Comput. Math. Appl. (2019)

Keyphrases

multiscale
poisson equation
boundary conditions
image processing
natural images
gradient domain
wavelet transform
image segmentation
scale space
gradient field
multiresolution
partial differential equations
shape from shading
computer vision
gray scale
boundary value problem