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A Prediction-Approaching Method for the Calibration of Color Printers
Author(s): 
Pages: 601-603
Year: Issue:  5
Journal: TRANSACTIONS OF BEIJING INSTITUTE OF TECHNOLOGY

Keyword:  彩色复制颜色空间颜色特性颜色标定;
Abstract: 提出的预测查找方法试图利用较小规模的测试数据表获得较高的转换精度.该方法根据实际测量数据建立RGB(设备颜色空间)和L*a*b*(标准颜色空间)之间的近似转换模型,并建立一个按特定规律排列的RGB→L*a*b*表,用给定的L*a*b*查出一组近似的RGB值并计算相应的色差,进而利用模型的预测对RGB值进行修正,如此以逐步逼近的方式使色差小于一个预定的阈值.实验结果表明,由于这种逼近在模型预测指导下进行,多数情况下经过2~3次迭代即可达到色差小于2~3个CIELAB色差单位.
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