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A fourth-order accurate extrapolation nonlinear difference method for fourth-order nonlinear PIDEs with a weakly singular kernel.
Caojie Li
Haixiang Zhang
Xuehua Yang
Published in:
Comput. Appl. Math. (2024)
Keyphrases
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fourth order
high order
noise removal
nonlinear diffusion
partial differential equations
cost function
image interpolation
image enhancement
edge detection
image processing
similarity measure
fully automatic
diffusion equation
edge preservation