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SUMMARY:Cahn-Hilliard inpainting with non-smooth potentials - Andrew Lam (
 Hong Kong)
DTSTART:20180816T140000Z
DTEND:20180816T150000Z
UID:TALK106216@talks.cam.ac.uk
CONTACT:Matthew Thorpe
DESCRIPTION:Inpainting is the action of restoring missing or damaged\ndeta
 ils in images\, and it is desirable to produce a result\, which to the nak
 ed eye\, does not distinguish where the inpainting has been performed. Out
  of the many existing approaches and algorithms proposed in the literature
 \, we focus on the approach of Bertozzi\, Esedoglu and Gillette that modif
 ies the Cahn-Hilliard equation with a data fidelity term. This method seem
 s to be simpler to implement and obtain good reconstruction much faster. W
 e alter the potential term from a smooth quartic one to a non-smooth one a
 nd discuss the existence of solutions to both the time-dependent and stati
 onary problems.  This is a joint work with Harald\nGarcke (Regensburg) and
  Vanessa Styles (Sussex).
LOCATION:MR 14
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