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Two-grid methods for nonlinear time fractional diffusion equations by L1-Galerkin FEM.
Qingfeng Li
Yanping Chen
Yunqing Huang
Yang Wang
Published in:
Math. Comput. Simul. (2021)
Keyphrases
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diffusion equation
diffusion processes
computer vision
image sequences
preprocessing
digital images
denoising
single image
anisotropic diffusion
filtering method