Evaluation of color differences in nearly neutral Munsell chips by a 3CCD color camera

Edison Valencia; Maria S. Millan; Montse Corbalan

doi:10.1117/12.526697

18 December 2003 Evaluation of color differences in nearly neutral Munsell chips by a 3CCD color camera

Edison Valencia, Maria S. Millan, Montse Corbalan

Author Affiliations +

Proceedings Volume 5293, Color Imaging IX: Processing, Hardcopy, and Applications; (2003) https://doi.org/10.1117/12.526697
Event: Electronic Imaging 2004, 2004, San Jose, California, United States

Abstract

A method to evaluate the discrimination capability of a camera to measure small color differences in the very pale color region is proposed. The measurements obtained by the camera are compared with those obtained by a reference instrument (spectrophotometer). Such comparisons indicate the reliability of the camera for this colorimetric purpose. CIEDE2000 formula of the CIELAB system has been used for the estimation of color differences. The method is applied to an acquisition system composed by a commercial 3CCD color camera capturing under standard D65 illumination. The results for the very pale color set of Munsell matte chips show that the color differences obtained by the given camera are quite close to those measured by the spectrophotometer over the circle of hue.

Citation Download Citation

Edison Valencia, Maria S. Millan, and Montse Corbalan "Evaluation of color differences in nearly neutral Munsell chips by a 3CCD color camera", Proc. SPIE 5293, Color Imaging IX: Processing, Hardcopy, and Applications, (18 December 2003); https://doi.org/10.1117/12.526697

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