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High order positivity-preserving nodal discontinuous Galerkin methods for anisotropic diffusion problems.
Xinyuan Liu
Tao Xiong
Yang Yang
Published in:
J. Comput. Appl. Math. (2024)
Keyphrases
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high order
anisotropic diffusion
partial differential equations
higher order
fourth order
edge detection
numerical methods
tensor analysis
image processing
object recognition
pairwise
markov random field
noisy images
diffusion equation
bayesian logistic regression