The Development of the Video Distortion Calibration

YANG Zhi-jun; WU Zhao-chun; MA Xiao-qing; XU Hui

doi:10.3969/j.issn.1000-1158.2012.02.13

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Acta Metrologica Sinica ›› 2012, Vol. 33 ›› Issue (2) : 158-162. DOI: 10.3969/j.issn.1000-1158.2012.02.13

The Development of the Video Distortion Calibration

YANG Zhi-jun,WU Zhao-chun,MA Xiao-qing,XU Hui

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Abstract

In order to calibrate the quantity of video distortion, the process and philosophy of measuring distortions of differential gain dG and differential phase dP are analyzed. A video distortion standard is developed based on a series video distortion signals which are yielded by the method of digital signal synthesis. The calibration system of the video distortion standard and its evaluation of uncertainty in measurement are described in detail. The video distortion quantity is traced to the voltage standard and phase standard.

Key words

Metrology / Video / Distortion / Calibrate / Uncertainty

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YANG Zhi-jun,WU Zhao-chun,MA Xiao-qing,XU Hui. The Development of the Video Distortion Calibration[J]. Acta Metrologica Sinica. 2012, 33(2): 158-162 https://doi.org/10.3969/j.issn.1000-1158.2012.02.13

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