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Sensors 2019, 19(2), 250; https://doi.org/10.3390/s19020250

A Multi-Camera Rig with Non-Overlapping Views for Dynamic Six-Degree-of-Freedom Measurement

State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China
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Received: 4 December 2018 / Revised: 28 December 2018 / Accepted: 7 January 2019 / Published: 10 January 2019
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Abstract

Large-scale measurement plays an increasingly important role in intelligent manufacturing. However, existing instruments have problems with immersive experiences. In this paper, an immersive positioning and measuring method based on augmented reality is introduced. An inside-out vision measurement approach using a multi-camera rig with non-overlapping views is presented for dynamic six-degree-of-freedom measurement. By using active LED markers, a flexible and robust solution is delivered to deal with complex manufacturing sites. The space resection adjustment principle is addressed and measurement errors are simulated. The improved Nearest Neighbor method is employed for feature correspondence. The proposed tracking method is verified by experiments and results with good performance are obtained. View Full-Text
Keywords: large-scale measurement; dynamic six-degree-of-freedom measurement; inside-out vision measurement; non-overlapping views large-scale measurement; dynamic six-degree-of-freedom measurement; inside-out vision measurement; non-overlapping views
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Niu, Z.; Ren, Y.; Yang, L.; Lin, J.; Zhu, J. A Multi-Camera Rig with Non-Overlapping Views for Dynamic Six-Degree-of-Freedom Measurement. Sensors 2019, 19, 250.

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