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Analysis of color volume of multi‐chromatic displays using gamut rings
Journal of the Society for Information Display ( IF 1.7 ) Pub Date : 2019-12-13 , DOI: 10.1002/jsid.852 Kenichiro Masaoka 1 , Fu Jiang 2 , Mark D. Fairchild 2 , Rodney L. Heckaman 2
Journal of the Society for Information Display ( IF 1.7 ) Pub Date : 2019-12-13 , DOI: 10.1002/jsid.852 Kenichiro Masaoka 1 , Fu Jiang 2 , Mark D. Fairchild 2 , Rodney L. Heckaman 2
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There are claims that multi‐chromatic displays can achieve a wider color gamut by the use of additional highly saturated secondary color channels. However, there are other claims that these displays lose lightness and/or color saturation at brighter levels. These apparently divergent views have led to some controversy in the display industry and at standard setting organizations. This study examines the color gamut volume for a variety of simulated and measured multi‐chromatic (sometimes incorrectly referred to as “multi‐primary”) displays using combinations of white and/or secondary color channels, such as cyan, magenta, and yellow. Furthermore, a two‐dimensional gamut representation, referred to as “gamut rings,” is introduced to illustrate that the addition of nonprimary optical color channels to a trichromatic (RGB) display can result in a significant decrease in the chroma at higher lightness levels. The additional saturated color channels can increase the gamut volume only around their hues at darker levels. The results also confirm the validity of comparing the color light output and white light output for revealing the design trade‐offs between the high‐peak white and the color‐image brightness for multi‐chromatic displays.
中文翻译：
使用色域环分析多色显示器的色量
有人声称，通过使用其他高度饱和的辅助彩色通道，多色显示器可以实现更宽的色域。但是，还有其他一些主张，这些显示器在更亮的水平上会失去亮度和/或色彩饱和度。这些明显分歧的观点在显示行业和标准制定组织中引起了一些争议。这项研究使用白色和/或辅助颜色通道（例如青色，品红色和黄色）的组合，检查了各种模拟和测量的多色（有时错误地称为“多基色”）显示器的色域体积。此外，二维色域表示称为“色环”，引入”是为了说明向三色（RGB）显示器添加非主要光学颜色通道会导致在较高亮度级别时色度显着降低。附加的饱和色通道只能在较深的水平上增加其色相周围的色域音量。结果还证实了比较彩色光输出和白色光输出以揭示多色显示器在高峰值白光和彩色图像亮度之间进行设计折衷的有效性。
更新日期：2019-12-13
中文翻译：
使用色域环分析多色显示器的色量
有人声称，通过使用其他高度饱和的辅助彩色通道，多色显示器可以实现更宽的色域。但是，还有其他一些主张，这些显示器在更亮的水平上会失去亮度和/或色彩饱和度。这些明显分歧的观点在显示行业和标准制定组织中引起了一些争议。这项研究使用白色和/或辅助颜色通道（例如青色，品红色和黄色）的组合，检查了各种模拟和测量的多色（有时错误地称为“多基色”）显示器的色域体积。此外，二维色域表示称为“色环”，引入”是为了说明向三色（RGB）显示器添加非主要光学颜色通道会导致在较高亮度级别时色度显着降低。附加的饱和色通道只能在较深的水平上增加其色相周围的色域音量。结果还证实了比较彩色光输出和白色光输出以揭示多色显示器在高峰值白光和彩色图像亮度之间进行设计折衷的有效性。
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