Abstract This paper proposes a method of compensating for the Helmholtz-Kohlrausch (H-K) effect which is a factor not being concerned in CIECAM02. H-K effect refers to the color appearance phenomenon that colored light appears brighter than achromatic light of the same luminance. By the magnitude estimation method, the perceptual lightness of active matrix liquid crystal display (AMLCD) is investigated. The results show that the lightness values predicted by CIECAM02 are lower than perceptual lightness values evaluated by the psychophysical experiments because of the H-K effect. The results on MobileCAM-v2, which is a refined version of CIECAM02, are investigated, as well. Since the color gamut of the display has been widening, the compensation for the H-K effect has also been increasingly important. In this paper, the method to compensate for the H-K effect in CIECAM02 is proposed. By modifying Fairchild’s equation, which is previously announced for CIELAB, CIECAM02 can be developed as a more complete color appearance model that can be universally applied to the display devices having a wide color gamut.

中文翻译：

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对 CIECAM02 进行修正，具有技术扩展以补偿亥姆霍兹-科尔劳施效应，用于显示设备的色度表征

摘要 本文提出了一种补偿Helmholtz-Kohlrausch (HK) 效应的方法，该效应是CIECAM02 中没有考虑的一个因素。HK效应是指有色光比相同亮度的无色光显得更亮的显色现象。通过幅度估计方法，研究了有源矩阵液晶显示器(AMLCD)的感知亮度。结果表明，由于 HK 效应，CIECAM02 预测的亮度值低于心理物理实验评估的感知亮度值。还研究了 MobileCAM-v2（CIECAM02 的改进版本）的结果。由于显示器的色域越来越宽，HK效应的补偿也越来越重要。在本文中，提出了在CIECAM02中补偿HK效应的方法。通过修改之前为 CIELAB 宣布的 Fairchild 方程，CIECAM02 可以开发为更完整的色貌模型，可以普遍应用于具有宽色域的显示设备。