Photonic Sensors

, Volume 8, Issue 2, pp 119–126 | Cite as

A Monocular Vision Measurement System of Three-Degree-of-Freedom Air-Bearing Test-Bed Based on FCCSP

  • Zhanyu Gao
  • Yingying Gu
  • Yaoyu Lv
  • Zhenbang Xu
  • Qingwen Wu
Open Access


A monocular vision-based pose measurement system is provided for real-time measurement of a three-degree-of-freedom (3-DOF) air-bearing test-bed. Firstly, a circular plane cooperative target is designed. An image of a target fixed on the test-bed is then acquired. Blob analysis-based image processing is used to detect the object circles on the target. A fast algorithm (FCCSP) based on pixel statistics is proposed to extract the centers of object circles. Finally, pose measurements can be obtained when combined with the centers and the coordinate transformation relation. Experiments show that the proposed method is fast, accurate, and robust enough to satisfy the requirement of the pose measurement.


3-DOF air-bearing test-bed machine vision pose measurement cooperative target central extraction 



This work is partially supported by the National Natural Science Foundation of China under Grant No. 11672290. The authors also gratefully acknowledge the helpful comments and suggestions of the reviewers, which have improved the presentation.


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Copyright information

© The Author(s) 2018

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Authors and Affiliations

  • Zhanyu Gao
    • 1
    • 2
  • Yingying Gu
    • 1
  • Yaoyu Lv
    • 1
    • 2
  • Zhenbang Xu
    • 1
  • Qingwen Wu
    • 1
  1. 1.Innovation Lab of Space Robot System, Space Robot Engineering Center, Changchun Institute of Optics, Fine Mechanics and PhysicsChinese Academy of SciencesChangchunChina
  2. 2.University of Chinese Academy of SciencesBeijingChina

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