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A least squares based diamond scheme for 3D heterogeneous and anisotropic diffusion problems on polyhedral meshes.
Cheng Dong
Tong Kang
Published in:
Appl. Math. Comput. (2022)
Keyphrases
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anisotropic diffusion
least squares
edge preserving
edge detection
noise removal
diffusion process
partial differential equations
numerical scheme
pattern recognition
segmentation scheme
scale space
noise reduction
bilateral filtering