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首页> 外文会议>Conference on Color Imaging: Device-Independent Color, Color Hardcopy, and Graphic Arts Ⅵ Jan 23-26, 2001, San Jose, USA >Color display for dichromats
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Color display for dichromats

机译：彩色显示器的双色差

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摘要

We have proposed colormaps to replace a widely used 216 colors palette in order to allow a designer with normal colour vision to simulate the colours seen by dichromats. As dichromats lack one class of cone photopigment, they confuse colours that differ only in the excitation of the missing class of photopigment. The method is based on the LMS colorimetric system, which specifies colours in terms of the relative excitations of the cones. We have constructed a rule to reduce any set of confused colors to a single three-component color specification. We have introduced a modification, assuming that the video display primaries and nominal white are representative of recent standards for Cathode Ray Tube (CRT) monitors and that its video-transfer function is a power function with an exponent of 2.2 ("gamma"). For everyday practice, replacing a normal palette by a reduced palette provides an immediate and efficient warning of possible losses of readability of a display by colour-deficients.
机译：我们提出了色图来代替广泛使用的216色调色板，以使具有正常色觉的设计人员能够模拟双色差透镜看到的颜色。由于双色差透镜缺乏一类视锥光色素，它们会混淆仅在激发缺失的一类光色素时才不同的颜色。该方法基于LMS比色系统，该系统根据锥体的相对激发来指定颜色。我们已经构造了一条规则，可以将任何混淆的颜色减少到一个单一的三成分颜色规范。我们已经进行了修改，假设视频显示原色和标称白色代表了阴极射线管（CRT）显示器的最新标准，并且其视频传输功能是幂函数，且指数为2.2（“伽马”）。对于日常实践，用缩小的调色板替换普通的调色板会立即有效地警告色差显示器可能会失去可读性。

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