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首页> 外文期刊>IEEE Computer Graphics and Applications >Representing colors as three numbers [color graphics]
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Representing colors as three numbers [color graphics]

机译：将颜色表示为三个数字[彩色图形]

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摘要

RGB in graphics is both a way of specifying color and a way of viewing color. Graphics algorithms manipulate RGB colors, and the images produced by graphics algorithms are encoded as RGB pixels and displayed on devices that render these pixels by emitting RGB light. Colored images are also used to specify color in graphics. Most computer graphics texts and tutorials provide a description of human color vision and measurement as defined by the CIE tristimulus values, XYZ. Often missing, however, is an in-depth discussion of the relationship between the different applications of RGB and XYZ, and any discussion of color models beyond trichromacy. The goal of this tutorial is to provide a complete, concise analysis of RGB color specification and its relationship to perceptual and physical specifications of color, and to introduce some models for color perception beyond tristimulus theory.
机译：图形中的RGB既是指定颜色的方式又是查看颜色的方式。图形算法处理RGB颜色，并且图形算法产生的图像被编码为RGB像素，并显示在通过发射RGB光来渲染这些像素的设备上。彩色图像也用于指定图形中的颜色。大多数计算机图形学教科书和教程都对CIE三刺激值XYZ定义的人类彩色视觉和测量进行了描述。但是，经常缺少对RGB和XYZ不同应用之间关系的深入讨论，以及对三色性以外的颜色模型的任何讨论。本教程的目的是提供对RGB颜色规格及其与颜色的感知和物理规格的关系的完整，简洁的分析，并介绍三刺激理论以外的颜色感知模型。

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