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Proceedings Article

CCD measuring system research for calibrators of headlamp tester for motor vehicle

[+] Author Affiliations
Zhiping Nie, Jie Zhao

Chengdu Univ. (China)

Tao Zhang

Sichuan Univ. (China)

Proc. SPIE 7997, Fourth International Seminar on Modern Cutting and Measurement Engineering, 79971T (May 26, 2011); doi:10.1117/12.887959
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From Conference Volume 7997

  • Fourth International Seminar on Modern Cutting and Measurement Engineering
  • Jiezhi Xin; Lianqing Zhu; Zhongyu Wang
  • Beijing, China | December 10, 2010

abstract

A measuring system for calibrators of headlamp tester for motor vehicle is introduced in the paper. It utilizes planar array Charge-coupled Device (CCD)as detector to digitalize the image of lighting area on the screen formed by the perpendicular irradiation of calibrator's lamp. By using computer digital image processing technology programmed with VC++, the system can measure the characteristic parameters automatically, such as luminous intensity, center of far light, corner of near light. The advantage is high accuracy, good repetition and automatic measurement.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Zhiping Nie ; Tao Zhang and Jie Zhao
"CCD measuring system research for calibrators of headlamp tester for motor vehicle", Proc. SPIE 7997, Fourth International Seminar on Modern Cutting and Measurement Engineering, 79971T (May 26, 2011); doi:10.1117/12.887959; http://dx.doi.org/10.1117/12.887959


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