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A decoupled and positivity-preserving discrete duality finite volume scheme for anisotropic diffusion problems on general polygonal meshes.
Shuai Su
Qiannan Dong
Jiming Wu
Published in:
J. Comput. Phys. (2018)
Keyphrases
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anisotropic diffusion
edge preserving
partial differential equations
diffusion process
noise removal
edge detection
bilateral filtering
numerical scheme
computer vision
multiresolution
finite number
computational geometry
image analysis
markov random field
segmentation scheme