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出 处:《包装工程》2008年第6期101-103,共3页Packaging Engineering
摘 要:从色彩测量仪器的工作原理出发,在系统地分析了各种色彩测量仪器特性的基础上,对于4色印刷,应该通过密度和网点对印品进行质量控制,对于专色较多的印刷品,利用色度计或分光光度计测定出分光特性曲线,方能准确地评价印品的色相和色彩饱和度。The principle and characteristics of color measuring instruments were introduced and analyzed. The reason why density and dot are useful in the four-color printing's quality control was explained. It was pointed out that in order to make proper evaluation of printing's hue and saturation, colorimeter and spectrophotometer are suitable for measurement of the spectrum curve of spot color printings.
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