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Circulant preconditioned iterations for fractional diffusion equations based on Hermitian and skew-Hermitian splittings.
Yu-Qin Bai
Ting-Zhu Huang
Xian-Ming Gu
Published in:
Appl. Math. Lett. (2015)
Keyphrases
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diffusion equation
anisotropic diffusion
iterative methods
scale space
image enhancement
partial differential equations
diffusion process
noise removal
multiscale
image analysis
least squares
higher order
single image