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Increasing the Versatility of Digitizations through Post-Camera Flat-Fielding

Author: Witwer Joel   Berns Roy S.  

Publisher: Society for Imaging Science and Technology

E-ISSN: 2161-8798|2015|1|110-113

ISSN: 2161-8798

Source: Archiving Conference, Vol.2015, Iss.1, 2015-05, pp. : 110-113

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Abstract

Capturing images of paintings is a challenging field where the photographer must struggle between the balance of evenly illuminating the painting and using extreme lighting angles to enhance the painting's physical attributes. Flat-fielding is a scientific technique that has the ability to preserve the enhanced physical attributes of the painting while also providing uniform illumination across the scene. When the flat-fielding is done in post-camera processing, the non-flat-fielded image is preserved and can be used in conjunction with the flat-fielded image to illustrate the varying degrees between directional lighting, typical of a gallery environments, and the uniform illumination often seen in archiving studios.