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An efficient matrix splitting preconditioning technique for two-dimensional unsteady space-fractional diffusion equations.
Ping-Fei Dai
Qingbiao Wu
Hong Wang
Xiangcheng Zheng
Published in:
J. Comput. Appl. Math. (2020)
Keyphrases
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diffusion equation
anisotropic diffusion
edge preserving
noise removal
three dimensional
scale space
image segmentation
image processing
edge detection
covariance matrix
parameter space
boundary conditions
structure tensor