Performance testing of CIEDE2000 color-difference formula using CRT colors

Haisong Xu; Zhen Xiang; Hirohisa Yaguchi

doi:10.1117/12.483133

13 September 2002 Performance testing of CIEDE2000 color-difference formula using CRT colors

Haisong Xu, Zhen Xiang, Hirohisa Yaguchi

Proceedings Volume 4922, Color Science and Imaging Technologies; (2002) https://doi.org/10.1117/12.483133
Event: Photonics Asia, 2002, Shanghai, China

Abstract

A psychophysical experiment was carried out with the method of constant stimuli using CRT-generated color samples. The experimental results at the five CIE color centers of Gray, Red, Yellow, Green, and Blue were satisfactorily described by chromaticity ellipses as equal color-difference contours in the CIELAB space. The CIEDE2000 formula, together with other two advanced color-difference formulae, CMC and CIE94, and the basic CIELAB equation, were tested using the visual data obtained from the present experiment. The comparisons between color differences, ?E, predicted by individual formulae and the corresponding visual scales, ?V, were carried out in terms of PF/3 measure. With their original forms, i.e. kL=kc=kH=l, or with their optimized kL values, the CIEDE2000 outperformed others for the combined dataset under the viewing condition in this study. Furthermore, the visual data at Blue center were well predicted by CIEDE2000 with an obviously better accuracy than other color-difference formulae. This confirms that the rotation item involved in the CIEDE2000 equation effectively improves the uniformity and predicting performance for the color differences in the blue region.

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Haisong Xu, Zhen Xiang, and Hirohisa Yaguchi "Performance testing of CIEDE2000 color-difference formula using CRT colors", Proc. SPIE 4922, Color Science and Imaging Technologies, (13 September 2002); https://doi.org/10.1117/12.483133

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KEYWORDS

Visualization

Color centers

CRTs

Color difference

Color reproduction

Colorimetry

Data centers

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