High-resolution, real-time 3D absolute coordinate measurement based on a phase-shifting method

Song Zhang Shing-Tung Yau

Geometric Modeling and Processing mathscidoc:1912.43476

Optics Express, 14, (7), 2644-2649, 2006.4
We describe a high-resolution, real-time 3D absolute coordinate measurement system based on a phase-shifting method. It acquires 3D shape at 30 frames per second (fps), with 266K points per frame. A tiny marker is encoded in the projected fringe pattern, and detected by software from the texture image and the gamma map. Absolute 3D coordinates are obtained from the detected marker position and the calibrated system parameters. To demonstrate the performance of the system, we measure a hand moving over a depth distance of approximately 700 mm, and human faces with expressions. Applications of such a system include manufacturing, inspection, entertainment, security, medical imaging.
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@inproceedings{song2006high-resolution,,
  title={High-resolution, real-time 3D absolute coordinate measurement based on a phase-shifting method},
  author={Song Zhang, and Shing-Tung Yau},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224203509170968040},
  booktitle={Optics Express},
  volume={14},
  number={7},
  pages={2644-2649},
  year={2006},
}
Song Zhang, and Shing-Tung Yau. High-resolution, real-time 3D absolute coordinate measurement based on a phase-shifting method. 2006. Vol. 14. In Optics Express. pp.2644-2649. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224203509170968040.
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