【摘要】 用倍率法对打印色样和 CRT模拟色样进行视觉评估实验 ,研究 L* a* b* 颜色空间在用于色差评估时明度标尺的均匀性 .视觉实验的数据处理结果表明 ,L* a* b* 空间的明度差几乎没有依赖于明度而呈一定变化趋势的特性 ,因此在 CIE94色差公式中的明度权重函数的原始取值为 1.更多还原

【Abstract】 The printed color samples and CRT simulated color samples were assessed using ratio method to investigate the uniformity of the lightness scale in L *a *b * color space used for color difference evaluation. Lightness dependence was not found in L *a *b * color space. It is reasonable that weighting function for lightness difference in CIE94 color difference model was proposed to be 1.更多还原