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SUMMARY:Mathematical approaches for virtual art restoration - Carola-Bibia
 ne Schönlieb (University of Cambridge)
DTSTART:20171129T113000Z
DTEND:20171129T121000Z
UID:TALK96124@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:Virtual image restoration\, also called image inpainting\, den
 otes the process whereby missing or occluded parts in images are filled in
  based on the information provided by the intact parts of the image. In th
 is talk I will sketch and motivate different mathematical principles that 
 can guide a digital restoration attempt. Digital photographs of art pieces
  are essentially mathematical objects\, and this puts the vast toolbox of 
 mathematics at the restorers&rsquo\; fingertips. We will encounter the rol
 e of differential equations and patch-based methods for virtually restorin
 g structure\, texture and colour in images. In particular\, we will show e
 xamples from the restoration of the Neidhart frescoes (Tuchlauben\, Vienna
 )\, the restoration of a painting by Sebastiano Del Piombo (the Hamilton K
 err Institute\, The Fitzwilliam Museum)\, and the unearthing of hidden str
 uctures in illuminated manuscripts revealed by infrared imaging (the MINIA
 RE project\, the Fitzwilliam Museum).  After a critical discussion of rest
 oration results I will conclude by pointing out the capabilities and limit
 ations of digital restoration methods\, and provide some hints towards app
 lications of such mathematical approaches that go beyond the restoration o
 f arts &ndash\; such as medicine\, forensics and geography.
LOCATION:Seminar Room 1\, Newton Institute
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