Characterization of color texture: CIEL*a*b* calibration of CCD device

Philippe Laflaquiere; Dominique Lafon; O. Eterradossi; Pierre R. Slangen

doi:10.1117/12.324103

7 September 1998 Characterization of color texture: CIEL*a*b* calibration of CCD device

Philippe Laflaquiere, Dominique Lafon, O. Eterradossi, Pierre R. Slangen

Proceedings Volume 3409, Electronic Imaging: Processing, Printing, and Publishing in Color; (1998) https://doi.org/10.1117/12.324103
Event: SYBEN-Broadband European Networks and Electronic Image Capture and Publishing, 1998, Zurich, Switzerland

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.

Citation Download Citation

Philippe Laflaquiere, Dominique Lafon, O. Eterradossi, and Pierre R. Slangen "Characterization of color texture: CIEL*a*b* calibration of CCD device", Proc. SPIE 3409, Electronic Imaging: Processing, Printing, and Publishing in Color, (7 September 1998); https://doi.org/10.1117/12.324103

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