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Proceedings Paper

Characterization of color texture: CIEL*a*b* calibration of CCD device
Author(s): Philippe Laflaquiere; Dominique Lafon; O. Eterradossi; Pierre R. Slangen
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Paper Abstract

A lot of materials used in construction industry are materials showing strong color texture, which may give the product its commercial value. We plan to perform automated appearance sorting using a tri-CCD color video camera as a measurement tool. The aim of the present work is the refinement of a calibration process allowing this tool to deliver for each pixel the same information as a spectroradiometer (CIEL*a*b* coordinates). Analysis of the acquisition tool allows characterization of the card and camera behavior (linearity of RGB gains, spatially varying and fixed pattern noises). Color calibration is performed using measurements with a spectroradiometer.

Paper Details

Date Published: 7 September 1998
PDF: 11 pages
Proc. SPIE 3409, Electronic Imaging: Processing, Printing, and Publishing in Color, (7 September 1998); doi: 10.1117/12.324103
Show Author Affiliations
Philippe Laflaquiere, Ecole des Mines d'Ales (France)
Dominique Lafon, Ecole des Mines d'Ales (France)
O. Eterradossi, Ecole des Mines d'Ales (France)
Pierre R. Slangen, Ecole des Mines d'Ales (France)

Published in SPIE Proceedings Vol. 3409:
Electronic Imaging: Processing, Printing, and Publishing in Color
Jan Bares, Editor(s)

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