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Second order finite-difference ghost-point multigrid methods for elliptic problems with discontinuous coefficients on an arbitrary interface.
Armando Coco
Giovanni Russo
Published in:
J. Comput. Phys. (2018)
Keyphrases
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finite difference
partial differential equations
multiscale
multiresolution
denoising
numerical methods
image segmentation
preprocessing
image analysis
sufficient conditions
high order