Fast panoramic 3D shape measurement using the multi-view system with plane mirrors

Wei Yin; Chao Zuo; Shijie Feng; Tianyang Tao; Qian Chen

doi:10.1117/12.2547971

16 October 2019 Fast panoramic 3D shape measurement using the multi-view system with plane mirrors

Wei Yin, Chao Zuo, Shijie Feng, Tianyang Tao, Qian Chen

Proceedings Volume 11205, Seventh International Conference on Optical and Photonic Engineering (icOPEN 2019); 112052E (2019) https://doi.org/10.1117/12.2547971
Event: Seventh International Conference on Optical and Photonic Engineering (icOPEN 2019), 2019, Phuket, Thailand

Abstract

In this paper, we propose a fast panoramic 3D shape measurement technique based on the multi-view system with plane mirrors. Fringe projection profilometry (FPP), as an active 3D measurement technique based on structured light and triangulation, has been one of the most promising methods for measuring dynamic scenes, due to its inherent property of non-contact, full-field, high-precision, and high efficiency. However, for acquiring the 360-degree 3D information of the tested object with complex surfaces, multiple measurements from different perspectives and the complicated registration algorithms need to be implemented, which are time-consuming and low efficiency that limits the potential application of FPP. To solve this problem, by introducing plane mirrors into the traditional FPP system, we develop a mirror-assisted panoramic measurement system, which can capture deformed fringe images of the measured object from three different perspectives simultaneously including a real camera and two virtual cameras realized by plane mirrors. In addition, a robust calibration method is proposed to easily calibrate the mirror, which can be used to convert 3D data obtained from real and virtual perspectives into a common world coordinate system. Then, for low-modulation fringe regions, they are further corrected based on the proposed phase compensation technique. Finally, these proposed techniques constitute a complete computational framework that allows achieving a fast, high-accuracy, and panoramic 3D reconstruction results with high completeness.

Citation Download Citation

Wei Yin, Chao Zuo, Shijie Feng, Tianyang Tao, and Qian Chen "Fast panoramic 3D shape measurement using the multi-view system with plane mirrors", Proc. SPIE 11205, Seventh International Conference on Optical and Photonic Engineering (icOPEN 2019), 112052E (16 October 2019); https://doi.org/10.1117/12.2547971

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KEYWORDS

Mirrors

3D metrology

Calibration

Panoramic photography

Cameras

Imaging systems

3D modeling

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