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Proceedings Paper

Characterization and measurement of color fringing
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Paper Abstract

This article explains the cause of the color fringing phenomenon that can be noticed in photographs, particularly on the edges of backlit objects. The nature of color fringing is optical, and particularly related to the difference of blur spots at different wavelengths. Therefore color fringing can be observed both in digital and silver halide photography. The hypothesis that lateral chromatic aberration is the only cause of color fringing is discarded. The factors that can influence the intensity of color fringing are carefully studied, some of them being specific to digital photography. A protocol to measure color fringing with a very good repeatability is described, as well as a mean to predict color fringing from optical designs.

Paper Details

Date Published: 3 March 2008
PDF: 9 pages
Proc. SPIE 6817, Digital Photography IV, 68170G (3 March 2008); doi: 10.1117/12.766193
Show Author Affiliations
Frédéric Cao, DxO Labs. (France)
Frédéric Guichard, DxO Labs. (France)
Hervé Hornung, DxO Labs. (France)
Cédric Sibade, DxO Labs. (France)

Published in SPIE Proceedings Vol. 6817:
Digital Photography IV
Jeffrey M. DiCarlo; Brian G. Rodricks, Editor(s)

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