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Color difference measurement and evaluation method and its application

Author: 杨学岩，周 维
Source: 一汽轿车股份有限公司
Abstract: 本文详细介绍了色差的测量和评定方法及其应用。色差测量是通过色差仪获取样品颜色与标准颜色之间的差异，主要使用明度（L*）、红绿色度（a*）和黄蓝色度（b*）等色度参数来描述颜色差异。评定方法包括ΔE值的计算，ΔE值反映了颜色差异的大小，通常使用在产品质量控制、色彩匹配和工艺优化等领域。在应用方面，色差测量广泛应用于纺织、涂料、印刷和食品等行业，以确保产品颜色的一致性和稳定性。通过精确的色差测量和评定，企业能够维持产品的视觉质量，提高市场竞争力。
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