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A fourth-order partial differential equation denoising model with an adaptive relaxation method.
X. Y. Liu
C.-H. Lai
K. A. Pericleous
Published in:
Int. J. Comput. Math. (2015)
Keyphrases
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partial differential equations
fourth order
denoising
image denoising
high order
anisotropic diffusion
objective function
noise removal
numerical algorithms
image processing
cost function
input image
energy functional
finite difference
nonlinear diffusion
ordinary differential equations