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A color matching experiment using two displays: design considerations and pilot test results

机译:使用两个显示器进行色彩匹配的实验:设计注意事项和中试结果

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Various recent studies have shown that observer variability can be a significant issue in modern display colorimetry, since narrow-band primaries are often used to achieve wider color gamuts. As far as industrial applications are concerned, past works on various aspects of observer variability and metamerism have mostly focused on cross-media color matching, an application context that is different from color matching on two displays, both in terms of human visual performance and the application requirements. In this paper, we report a set of three preliminary color matching experiments using a studio Cathode Ray Tube (CRT) display with broadband primaries, and a modern wide-color gamut Liquid Crystal Display (LCD) with narrow-band primaries, with and without surround. Two principal goals of these pilot tests are to validate the experimental protocol, and to obtain a first set of metameric data of display color matches under different viewing conditions. In this paper, various experimental design considerations leading to the current test setup are discussed, and the results from the pilot tests are presented. We confirm the validity of our test setup, and show that the average color matches predicted by the 1964 CIE 10° standard observer, although acceptable as average matches, can often be significantly and unacceptably different from individual observer color matches. The mean, maximum and the 90th percentile values of the standard observer-predicted color difference of individual observer color matches were 1.4, 3.3 and 2.6 ΔE~*_(00) respectively.
机译:最近的各种研究表明,观察者的变异性可能是现代显示器比色法中的一个重要问题,因为通常使用窄带原色来实现更宽的色域。就工业应用而言,过去关于观察者变异性和同色异谱的各个方面的工作主要集中在跨媒体色彩匹配上,这种应用环境在两个方面都具有人类视觉性能和视觉上的差异,与两个显示器上的色彩匹配不同。应用要求。在本文中,我们报告了一组三个初步的色彩匹配实验,分别使用带有宽带原色的Studio阴极射线管(CRT)显示器和带有或不带有窄色原色的现代宽色域液晶显示器(LCD)环绕。这些中试测试的两个主要目标是验证实验方案,并获得在不同观看条件下显示颜色匹配的第一组异聚体数据。在本文中,讨论了导致当前测试设置的各种实验设计注意事项,并给出了中试测试的结果。我们确认了测试设置的有效性,并显示了1964 CIE 10°标准观察者预测的平均颜色匹配,尽管可以接受为平均匹配,但通常与个体观察者的颜色匹配存在显着和不可接受的差异。标准观察者预测的单个观察者颜色匹配的色差的平均值,最大值和第90个百分位数分别为1.4、3.3和2.6ΔE〜* _(00)。

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