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《Acta Optica Sinica》 2007-09
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Piecewise Partition Model for Accurate Colorimetric Characterization of Liquid Crystal Displays

Zhang Xiandou Xu Haisong (State Key Laboratory of Modern Optical Instrumentation,Zhejiang University,Hangzhou 310027)  
In order to improve the accuracy of colorimetric characterization of liquid crystal display(LCD),a piecewise partition model(PP model) was proposed concerning the LCD's poor performance of constant channel chromaticity and channel independence.The model involved two steps,first the relationship between the tristimulus values and their corresponding discrete integer values of individual color channel was regressed by using of piecewise quadratic polynomial,and then the proper interferential items were inserted according to different RGB subspaces' color characteristics for colorimetric characterization of LCD.The experimental results showed that the average/maximum color differences of this PP model were 1.5881/6.0249 CIELAB unit when the numbers of training and testing samples were 91 and 512 respectively.Compared with the methods of three-dimensional look-up table(3D-LUT),Mask,S-curve and two-primary crosstalk(TPC) models,the PP model performed best for the case of less training samples.
【Fund】: 国家自然科学基金(60578011)资助项目
【CateGory Index】: O432.3;TN141.9
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【Co-citations】
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1 YANG Jiang,SHI Jun-sheng,HUANG Xiao-qiao,YAO Jun-cai(Institute of Color Science and Image information, Yunnan Normal University, Kunming 650092, China);Research of accurate control color of CRT display in small range[J];Optical Technique;2007-04
2 Shi Junsheng Yun Lijun Yang Jian Yu Hongfei Wang Yanfang(Institute of Color Science and Image Information,Yunnan Normal University,Kunming 650092);Accuracy of Colorimetric Characterization and Effect of Black Point for CRT Monitor[J];Acta Optica Sinica;2007-02
3 Wang Zhehong Xu Haisong (State Key Laboratory of Modern Optical Instrumentation,Zhejiang University,Hangzhou 310027);Study on Color Discrimination Threshold Using CRT Display Part I: Analysis of Experimental Data and Human Color Vision Characteristics[J];Acta Optica Sinica;2007-06
4 Wang Zhehong Xu Haisong(State Key Laboratory of Modern Optical Instrumentation,Zhejiang University,Hangzhou,Zhejiang 310027,China);Investigations for Weighting Functions of Color-Difference Formulae Based on Small Suprathreshold Color Differences[J];Acta Optica Sinica;2008-06
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