Wide generalizability of the CIE-recommended gray-scale calculation for self-luminous devices suggests that its parameters, the extrema of the calculation's derivatives, and its limiting behavior are fundamental. The calculation has a negative-contrast point of inflection that is not predicted by any other gray-scale calculation, but that is consistent with data and with the terrestrial luminance histogram. The parameters of the calculation are analyzed, and their significance is explained. High-positive-contrast behavior of the calculation is shown and related to scientific literature. This knowledge represents a clearer understanding of daylight suprathreshold vision, and it enables optimal luminance-coding of contemporary high-resolution, high-contrast, high-luminance displays.

中文翻译：

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CIE自发光灰度计算：拐点，参数和高对比度限制行为。

自发光设备的CIE推荐灰度计算的广泛可推广性表明其参数，计算导数的极值及其极限行为是基础。该计算具有负对比度的拐点，该拐点没有其他任何灰度计算可以预测，但是与数据和地面亮度直方图一致。分析了计算的参数，并说明了其意义。计算的高正对比行为已显示出来，并且与科学文献有关。这些知识代表了对日光超视力的更清晰的理解，并且使当代的高分辨率，高对比度，高亮度显示器能够实现最佳的亮度编码。