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Published byKayden Soppe Modified over 10 years ago
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Filmrestoratin using extended ACE Jon Anders Øvern
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Introduction Restoration of old film
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Introduction Restoration of old film using ACE (Automatic Equilization Algorithm)
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Introduction Restoration of old film using ACE (Automatic Equilization Algorithm) Form and implement extension
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Introduction Restoration of old film using ACE (Automatic Equilization Algorithm) Form and implement extension Experiment and quality analysis
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Film restoration Old, faded films Cannot be restored chemically Highly automated digital restoration algortithm wanted
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Human Visual System Aquisition and interpretation of light Eye / vortex
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Human Visual System Adaption mechanics WP GW
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Color correction algorithms Algortihms mimic some properties of the HVS to improve images Global Retinex, global/local WP algorithm
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ACE General properties
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ACE Difference / non-linear function
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ACE Weighting function
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ACE Display mapping
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ACE My contribution: Inter-frame considersation Non-linear mapping function to avoid edges in the image
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ACE in film restoration Flickering Interframe consideration to reduce flickering
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Non-linear mapping
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Experiment Setup / material
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Experiment Results : La Rochelle
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Experiment Results : Fire and Police
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Experiment Results : Syntheic
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Experiment Results : Non-linear mapping
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Conclusion ACE extension works
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Future work
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Thanks to : Ivar Farup Jon Yngve Hardeberg Alessandro Rizzi Carlo Gatta
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