Design of Camera Calibration System

Computer & Telecommunication

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GAO Lei, MO Bing

Huaqiao University

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Abstract In order to solve the problem of the application in vision measuring, high precision calibration of camera must be realized.A camera calibration system is established in this paper. First, based on the theory of camera calibration technique, the principle of camera calibration is discussed. And the basic principle of the Zhang Zhengyou’s calibration method is analyzed and summarized.Then, the calibration toolbox of Matlab and an 8x12 checkerboard pattern (each square is 26mm x 26mm) is used to calibrate the designed camera system. Finally, the error of the calibration system is analyzed, and the design of the system is verified as well.Experimental results indicate that the principal point coordinate errors of the camera are [-0.02425; 0.05059], and the pixel errors in calibration of external parameters are [0.23081; 0.16866]. It can satisfy the system requirements of stability and reliability, higher precision and strong anti-jamming, as well as portability, etc. And it lays the foundation for the following application to vision measuring.

Key words： camera calibration Matlab OpenCV vision measuring

ZTFLH:

TP391.41

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Cite this article:

GAO Lei, MO Bing. Design of Camera Calibration System. Computer & Telecommunication, 2017, 1(12): 36-38.

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http://www.computertelecom.com.cn/EN/ OR http://www.computertelecom.com.cn/EN/Y2017/V1/I12/36

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