摘要1引言
色差公式有色商品生产的质量控制中的重要工具，它们提供了不同有色材料之间刺激差（光谱反射率函数差）的预测结果。自从Hermann von Helmholtz在1896年首次提出色差公式的概念，迄今为止已经出现了上百个公式，如今一些公式广泛用于工业生产中，并且已经被国家或国际标准化。由于这些公式对观察者的平均结果预测水平有限，
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