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Fast Solvers for Cahn-Hilliard Inpainting
- Abstract:
-
We consider the efficient solution of the modified Cahn-Hilliard equation for binary image inpainting using convexity splitting, which allows an unconditionally gradient stable time-discretization scheme. We look at a double-well as well as a double obstacle potential. For the latter we get a nonlinear system for which we apply a semi-smooth Newton method combined with a Moreau-Yosida regularization technique. At the heart of both methods lies the solution of large and sparse linear systems. ...
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- Publisher:
- SIAM
- Publication date:
- 2013-05-01
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- UUID:
-
uuid:c8d2c8f3-56eb-4dd7-a426-7e068080067a
- Local pid:
- oai:eprints.maths.ox.ac.uk:1705
- Deposit date:
- 2013-06-26
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- Copyright date:
- 2013
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