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The cell-centered positivity-preserving finite volume scheme for 3D anisotropic diffusion problems on distorted meshes.
Gang Peng
Zhiming Gao
Wenjing Yan
Xinlong Feng
Published in:
Comput. Phys. Commun. (2021)
Keyphrases
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anisotropic diffusion
partial differential equations
edge detection
edge enhancement
numerical scheme
diffusion process
noise removal
nonlinear diffusion
segmentation scheme
image denoising
multiresolution
noisy images
image analysis
diffusion tensor
fourth order
computational complexity
pattern recognition