GPU-assisted high-resolution, real-time 3-D shape measurement

Song Zhang Dale Royer Shing-Tung Yau

Computational Geometry mathscidoc:1912.43512

Optics Express, 14, (20), 9120-9129, 2006.10
This paper describes a Graphics Processing Unit (GPU)-assisted real-time three-dimensional shape measurement system. Our experiments demonstrated that the absolute coordinates calculation and rendering speed of a GPU is more than four times faster than that of a dual CPU workstation with the same graphics card. By implementing the GPU into our system, we realized simultaneous absolute coordinate acquisition, reconstruction and display at 30 frames per second with a resolution of approximately 266K points per frame. Moreover, a 2+1 phase-shifting algorithm was employed to alleviate the measurement error caused by motion. Applications of the system include medical imaging, manufacturing, entertainment, and security.
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  title={GPU-assisted high-resolution, real-time 3-D shape measurement},
  author={Song Zhang, Dale Royer, and Shing-Tung Yau},
  booktitle={Optics Express},
Song Zhang, Dale Royer, and Shing-Tung Yau. GPU-assisted high-resolution, real-time 3-D shape measurement. 2006. Vol. 14. In Optics Express. pp.9120-9129.
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