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Sensors 2016, 16(11), 1949; doi:10.3390/s16111949

Sensor for In-Motion Continuous 3D Shape Measurement Based on Dual Line-Scan Cameras

State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China
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Academic Editor: Vittorio M. N. Passaro
Received: 23 September 2016 / Revised: 13 November 2016 / Accepted: 15 November 2016 / Published: 18 November 2016
(This article belongs to the Section Physical Sensors)
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Abstract

The acquisition of three-dimensional surface data plays an increasingly important role in the industrial sector. Numerous 3D shape measurement techniques have been developed. However, there are still limitations and challenges in fast measurement of large-scale objects or high-speed moving objects. The innovative line scan technology opens up new potentialities owing to the ultra-high resolution and line rate. To this end, a sensor for in-motion continuous 3D shape measurement based on dual line-scan cameras is presented. In this paper, the principle and structure of the sensor are investigated. The image matching strategy is addressed and the matching error is analyzed. The sensor has been verified by experiments and high-quality results are obtained. View Full-Text
Keywords: 3D shape measurement; line-scan cameras; structured light; large-scale metrology; industrial inspection 3D shape measurement; line-scan cameras; structured light; large-scale metrology; industrial inspection
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Sun, B.; Zhu, J.; Yang, L.; Yang, S.; Guo, Y. Sensor for In-Motion Continuous 3D Shape Measurement Based on Dual Line-Scan Cameras. Sensors 2016, 16, 1949.

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