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Two-level multigrid analysis for the convection-diffusion equation discretized by a discontinuous Galerkin method.
M. H. van Raalte
Pieter W. Hemker
Published in:
Numer. Linear Algebra Appl. (2005)
Keyphrases
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partial differential equations
diffusion equation
image analysis
boundary conditions
similarity measure
multiscale
preprocessing
pairwise
sufficient conditions
segmentation algorithm
image enhancement
numerical methods