Absolute three-dimensional shape measurement combining digital image correlation and phase-shifting methods
Absolute three-dimensional shape measurement combining digital image correlation and phase-shifting methods
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DOI：
10.1117/12.2622620
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发表时间：
2022-05
期刊：
影响因子：
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通讯作者：
Yi-Hong Liao;Song Zhang
中科院分区：
文献类型：
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作者：
Yi-Hong Liao;Song Zhang
相移法在高分辨率、高速度的绝对三维测量中得到了广泛的应用。在三维重建过程中，一个重要的任务是逐像素地恢复绝对相位。在本文中，我们提出了一个绝对的三维形状测量方法，结合数字图像相关（DIC）算法与相移方法的一个摄像机和一个投影仪结构光系统。与传统的多波长相位解缠方法相比，该方法只需要一个随机的二值模式即可进行相位解缠。实验结果表明，该方法可以成功地测量高质量的复杂场景。
Phase-shifting methods have been extensively employed in high-resolution and high-speed absolute three-dimensional (3D) measurements. In the process of 3D reconstruction, one of the important tasks is to recover the absolute phase pixel by pixel. In this paper, we propose an absolute 3D shape measurement method that combines the digital image correlation (DIC) algorithm with the phase-shifting method on a one-camera and one-projector structure light system. Comparing to the conventional multi-wavelength unwrapping method, the proposed method only needs one random binary pattern for phase unwrapping. Experimental results demonstrated the proposed method can successfully measure complex scenes with high quality.