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摘要: 为了满足色彩复制一致性和预期性要求,寻找一种精确实用的L*a*b*与CMYK转换方法尤为重要。本文利用数理统计的二元线性回归方法在建立CMY到L*a*b*的转换模型的基础上,验证了网点呈色平面规律同样适用四色印刷,并通过最小二乘及数值分析的方法拟和各四色平面方程系数建立了CMYK到L*a*b*转换模型。随后对模型进行精度验证并修正,分析误差产生的原因,最终得到比较精确的模型。