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不同光泽印刷样品的微小色差评价研究

Study on Small Color Difference Evaluation Using Printed Samples with Different Gloss

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摘要

为了研究不同光泽纸张的印刷样品对色差评价的影响,对印在哑光、半光、高光三种不同光泽纸张上的5个国际照明委员会(CIE)基本颜色中心区域,约1100对颜色色样,采用心理物理实验方法中的pass-fail,分别测得23名色觉正常的观察者对不同纸张不同颜色的辨色特性。分别对四个典型色差公式CIELAB,CIE94,CMC,CIEDE2000和CAM02系列CAM02-LCD,CAM02-SCD,CAM02-UCS三个色差公式进行STRESS性能因子的评价和优化,除CIELAB色差公式外,其他色差公式表明无明显差异。采用对明度加权因子kL进行优化后的计算结果表明,随着光泽度的增加,明度的影响权重在色差计算中有增加的趋势,但光泽度对整体色差阈值的计算影响不是很明显。

Abstract

In order to reveal the effect of gloss on color-difference evaluation,the printed samples are prepared by ink jet printer on matte,semi-gloss,gloss three papers with different gloss levels at the 5 basic international commission on illumination (CIE) color centers. About 1100 pairs of samples are carried out by 23 observers with normal color vision based on the psychophysical method of pass-fail. The calculated CIELAB color difference shows that the color discrimination thresholds have no obvious difference for different gloss.The STRESS is proposed to test the four classical color-difference formulae,CIELAB,CMC,CIE94,CIEDE2000 and CAM02 series CAM02-LCD,CAM02-SCD,CAM02-UCS. For the original color difference formulae,except the CIELAB,the others have no obvious discrepancy. For the optimized kL values,the higher gloss the smaller kL,which indicates that the lightness difference is more noticeable for the higher gloss printed samples for evaluating color difference.

Newport宣传-MKS新实验室计划
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中图分类号:O432.3

DOI:10.3788/aos20103006.1851

所属栏目:视觉,色彩与视觉光学

基金项目:北京市教委科技面上项目(KM200910015006)和北京印刷学院重点项目(Ea2d003)资助课题。

收稿日期:2009-06-10

修改稿日期:2009-09-07

网络出版日期:0001-01-01

作者单位    点击查看

黄敏:北京印刷学院 印刷与包装工程学院,北京 102600
王丽丽:南京林业大学 轻工科学与工程学院,江苏 南京 210037
刘浩学:北京印刷学院 印刷与包装工程学院,北京 102600
廖宁放:北京理工大学 信息科学技术学院颜色科学与工程国家专业实验室,北京 100081

联系人作者:黄敏(huangmin@bigc.edu.cn)

备注:黄敏|讲师|主要从事显示设备、输出设备的颜色色差评价,测量及色彩管理技术等方面的研究|(1979-)女,博士。

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