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An interpolation-free cell-centered discretization of the heterogeneous and anisotropic diffusion problems on polygonal meshes.
Shuai Miao
Jiming Wu
Yanzhong Yao
Published in:
Comput. Math. Appl. (2023)
Keyphrases
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anisotropic diffusion
noise removal
partial differential equations
edge detection
edge preserving
diffusion equation
nonlinear diffusion
edge enhancement
nonlinear filtering
natural images
image denoising