Instrumentation, Techniques, and Measurement

Calibration of fringe projection system for surface profile measurement

[+] Author Affiliations
Jun Yao, Jubing Chen

Shanghai Jiao Tong University, Department of Engineering Mechanics, Shanghai, China

Hong Miao

University of Science and Technology of China, Department of Mechanics and Mechanical Engineering, Hefei, China

Opt. Eng. 56(3), 034109 (Mar 20, 2017). doi:10.1117/1.OE.56.3.034109
History: Received January 16, 2017; Accepted March 3, 2017
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Abstract.  We propose a calibration method of a fringe projection system for surface profile measurement. The calibration method is divided into two parts: (1) phase to z calibration based on measuring the absolute phase distributions of a flat calibration board placed at several different known z positions. (2) Camera calibration based on Zhang’s method of imaging a checkerboard with different poses. Experiments of a flat plane, a sphere, and a Gorky sculpture demonstrate the validity and accuracy of the proposed technique.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Jun Yao ; Hong Miao and Jubing Chen
"Calibration of fringe projection system for surface profile measurement", Opt. Eng. 56(3), 034109 (Mar 20, 2017). ; http://dx.doi.org/10.1117/1.OE.56.3.034109


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