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Multigrid based preconditioners for the numerical solution of two-dimensional heterogeneous problems in geophysics.
Lothar Reichel
Hassane Sadok
Andriy Shyshkov
Published in:
Int. J. Comput. Math. (2007)
Keyphrases
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numerical solution
partial differential equations
linear systems
numerical methods
image analysis
image denoising
low order
edge preserving
anisotropic diffusion
computationally expensive
three dimensional
deformable models
natural images
lower bound
pattern recognition
objective function
multiscale