Improve 3D shape reconstruction with dual-camera measurement fusion

Yuewen Zhu; Qinghua Guo; Jiangtao Xi; Yanguang Yu; Jun Tong

doi:10.1117/12.2539362

18 November 2019 Improve 3D shape reconstruction with dual-camera measurement fusion

Yuewen Zhu, Qinghua Guo, Jiangtao Xi, Yanguang Yu, Jun Tong

Proceedings Volume 11189, Optical Metrology and Inspection for Industrial Applications VI; 111890D (2019) https://doi.org/10.1117/12.2539362
Event: SPIE/COS Photonics Asia, 2019, Hangzhou, China

Abstract

In this work, we consider the problem of 3D shape reconstruction with a system with two cameras and one projector, which can be regarded as a composite system with two fringe projection profilometry (FPP) systems and one stereo vision (SV) system. Different from the active SV systems in the literature where FPP is used to assist SV to address the issue of corresponding matching, a new system is proposed in this paper by constructing a fusion cost function with the consideration of both FPP and SV triangulations, so that the measurements of the two cameras can be fused to achieve better measurement performance than that of the active SV and FPP. In addition, a message passing algorithm for 3D shape reconstruction with the system is developed by using the new cost function and exploiting the unknown correlation of object surfaces. Simulation results demonstrate that the proposed system can achieve considerable performance gain.

Citation Download Citation

Yuewen Zhu, Qinghua Guo, Jiangtao Xi, Yanguang Yu, and Jun Tong "Improve 3D shape reconstruction with dual-camera measurement fusion", Proc. SPIE 11189, Optical Metrology and Inspection for Industrial Applications VI, 111890D (18 November 2019); https://doi.org/10.1117/12.2539362

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KEYWORDS

3D metrology

Stereo vision systems

Cameras

Imaging systems

3D vision

Motion measurement

Projection systems

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