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An extrapolation accelerated multiscale Newton-MG method for fourth-order compact discretizations of semilinear Poisson equations.
Hongling Hu
Ming Li
Kejia Pan
Pinxia Wu
Published in:
Comput. Math. Appl. (2022)
Keyphrases
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fourth order
multiscale
objective function
pairwise
high order
image processing
edge detection
scale space
natural images
partial differential equations