Effect of black point on accuracy of LCD displays colorimetric characterization

Tong Li; Kai Xie; Nannan He; Yushan Ye

doi:10.1117/12.2283527

8 March 2018 Effect of black point on accuracy of LCD displays colorimetric characterization

Tong Li, Kai Xie, Nannan He, Yushan Ye

Proceedings Volume 10611, MIPPR 2017: Remote Sensing Image Processing, Geographic Information Systems, and Other Applications; 1061116 (2018) https://doi.org/10.1117/12.2283527
Event: Tenth International Symposium on Multispectral Image Processing and Pattern Recognition (MIPPR2017), 2017, Xiangyang, China

Abstract

Black point is the point at which RGB's single channel digital drive value is 0. Due to the problem of light leakage of liquid-crystal displays (LCDs), black point’s luminance value is not 0, this phenomenon bring some errors to colorimetric characterization of LCDs, especially low luminance value driving greater sampling effect. This paper describes the characteristic accuracy of polynomial model method and the effect of black point on accuracy, the color difference accuracy is given. When considering the black point in the characteristics equation, the maximum color difference is 3.246, the maximum color difference than without considering the black points reduced by 2.36. The experimental results show that the accuracy of LCDs colorimetric characterization can be improved, if the effect of black point is eliminated properly.

Citation Download Citation

Tong Li, Kai Xie, Nannan He, and Yushan Ye "Effect of black point on accuracy of LCD displays colorimetric characterization", Proc. SPIE 10611, MIPPR 2017: Remote Sensing Image Processing, Geographic Information Systems, and Other Applications, 1061116 (8 March 2018); https://doi.org/10.1117/12.2283527

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