A structured light sensor measuring method based on wMPS global controlling

Yang Chen; Jiarui Lin; Yin Guo; Yang Gao; Shourui Yang

doi:10.1117/12.2197076

15 October 2015 A structured light sensor measuring method based on wMPS global controlling

Yang Chen, Jiarui Lin, Yin Guo, Yang Gao, Shourui Yang

Proceedings Volume 9671, AOPC 2015: Advances in Laser Technology and Applications; 967105 (2015) https://doi.org/10.1117/12.2197076
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

Abstract

In large-scale three-dimensional (3D) coordinates measurement, to solve the problem of structured light sensor’s measurement data from different measurement stations unifying to the global coordinate system, a method based on workshop Measuring Position System (wMPS) global controlling is researched to concentrate the structured light sensor’s measurement data to the global coordinate system automatically. According to the measurement principle, two calibration methods are proposed to calibrate the structural parameters based on a standard ball, one is transferring stations based on common points and the other is fitting ball equation. Finally, a platform for experiment is built to verify the two calibration methods. Experimental results show that the average measurement error on 10 points is 0.127 mm according to the laser tracker of the first method and the other average error is 0.101 mm, both the two calibration methods have a high precision to meet the demands of large-scale 3D coordinates measurement.

Citation Download Citation

Yang Chen, Jiarui Lin, Yin Guo, Yang Gao, and Shourui Yang "A structured light sensor measuring method based on wMPS global controlling", Proc. SPIE 9671, AOPC 2015: Advances in Laser Technology and Applications, 967105 (15 October 2015); https://doi.org/10.1117/12.2197076

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