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A linearity-preserving diamond scheme with extended least square interpolation for the heterogeneous and anisotropic diffusion problems on polyhedral meshes.
Longshan Luo
Cheng Dong
Published in:
Comput. Math. Appl. (2023)
Keyphrases
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anisotropic diffusion
least squares
partial differential equations
numerical scheme
edge detection
edge preserving
noise removal
multiresolution
diffusion tensor
convex hull
nonlinear filtering