【作者】 张笠峥； 曹国荣； 禚玥； 苗红涛；

【Author】 Lizheng Zhang;Guorong Cao;Yue Zhuo;Hongtao Miao;School of printing and packaging,Beijing Institute of Graphic Communication;Packaging and printing Department,Henan University of Animal Husbandry and Economy;

【机构】 北京印刷学院印刷与包装工程学院； 河南牧业经济学院包装印刷系；

【摘要】 基于对青、品、黄三基色油墨光谱反射率曲线特征的研究,选择在特定波长处,分析青墨光谱反射率与网点面积率的关系,建立多项式预测模型。使用分光光度计测量不同网点比例混合二次色、三次色样本得到油墨光谱反射率,通过模型预测样本中的青网点面积率,将预测值与实际值进行比较,分析预测模型精度,建立补偿曲线。经过实验分析验证表明,预测模型平均误差小于3%,可以使用二次多项式模型对三基色印刷中的青墨网点进行较好的预测,本研究对于光谱分色及复制研究具有参考意义。更多还原

【Abstract】 At particular wavelength point,establish a polynomial model for cyan ink spectrum reflectivity and dot area rate,based on three basic color ink spectrum reflectivity research.Using spectrophotometer to measure sample colors that printed by different proportion two or three basic inks.Through prediction model to get cyan dot area rate,prediction area rates are compared with real printed area rates.Then analyzing the model accuracy and establishing the compensation curve.The deviation influence of magenta is bigger than yellow,and deviation is connected with magenta or yellow proportion.Experimental results indicate that the average error range is less than three percents,and using quadratic polynomial model to predict the cyan ink dot area rate is feasible.This study method also can be used in color spectrum separation and replication research.更多还原