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首页> 外文会议>International symposium on multispectral image processing and pattern recognition >Effect of black point on accuracy of LCD displays colorimetric characterization
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Effect of black point on accuracy of LCD displays colorimetric characterization

机译：黑点对LCD显示器色度表征精度的影响

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摘要

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.
机译：黑点是RGB的单通道数字驱动值为0的点。由于液晶显示器（LCD）的漏光问题，黑点的亮度值不为0，这种现象给LCD的比色表征带来了一些误差，尤其是低亮度值可带来更大的采样效果。介绍了多项式模型方法的特征精度，以及黑点对精度的影响，给出了色差精度。在特性方程式中考虑黑点时，最大色差为3.246，这比未考虑黑点时的最大色差减少了2.36。实验结果表明，如果消除黑点的影响，则可以提高LCD比色特性的准确性。

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