DENG Wenbo,KONG Xiaofang,XIA Yan,et al.3D Complementary Measurement for High-speed Moving Targets Based on Structured Light[J].ACTA ARMAMENTARII,2026,47(08):250927.
DENG Wenbo,KONG Xiaofang,XIA Yan,et al.3D Complementary Measurement for High-speed Moving Targets Based on Structured Light[J].ACTA ARMAMENTARII,2026,47(08):250927.DOI: 10.12382/bgxb.2025.0927.
3D Complementary Measurement for High-speed Moving Targets Based on Structured Light
The three-dimensional reconstruction technology for high-speed dynamic targets has been widely applied in the military field. The conventional Fourier transform profilometry (FTP) fails to resolve the phase due to fringe aliasing in the target edges and the damaged regions during the 3D reconstruction of high-speed moving targets. To address this issue, a heterogeneous complementary measurement method is proposed, which employs FTP as the primary means for reconstructing the main surface morphology and the binocular intersection as an auxiliary means for recovering the spatial coordinates of key edge feature points. The method is aimed to improve the detection accuracy of edge sizes in transient surface measurements for the high-speed moving targets with potential local damage. A multi-view cooperative measurement system which uses three high-resolution cameras to capture the high-speed moving target is established. The primary surface morphology of target reconstructed using FTP, and the spatial coordinates of edge and damaged areas are computed based on binocular vision principles. Rigid registration between the binocular point cloud and FTP data is achieved via the singular value decomposition (SVD) algorithm. Experimental results demonstrate that, compared to traditional FTP method, the proposed method decreases the detection precision error of specific edge feature points to less than 2%. The results validate the robustness of the proposed method in high-speed scenarios.
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