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首页> 外文会议>AOPC 2017: 3D Measurement Technology for Intelligent Manufacturing >Flexible calibration method for line-structured light based on binocular vision
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Flexible calibration method for line-structured light based on binocular vision

机译：基于双目视觉的线结构光的灵活标定方法

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摘要

A new calibration technique for line-structured light scanning systems is proposed in this study. Compared with existing methods, this technique is more flexible and practical. Complicated operations, precision calibration target and positioning devices are all unnecessary. Only a blank planar board, which is placed at several(at least two) arbitrary orientations, and an additional camera that is calibrated under the global coordinate system are required. Control points are obtained through improved binocular intersection algorithm that avoids corresponding points matching and then used to calculate the light stripe plane through least square fitting. Experiment results indicate that the system calibrated by this technique is able to conduct surface measurement, offering an accuracy superior to 32μm(RMS).
机译：在这项研究中提出了一种新的线结构光扫描系统校准技术。与现有方法相比，该技术更加灵活实用。不需要复杂的操作，精密校准目标和定位设备。仅需要一个以几个（至少两个）任意方向放置的空白平板，以及一个在全局坐标系下已校准的附加摄像机。控制点是通过改进的双目相交算法获得的，避免了对应点的匹配，然后通过最小二乘拟合来计算光条平面。实验结果表明，通过该技术校准的系统能够进行表面测量，精度超过32μm（RMS）。

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  • 来源
  • 会议地点 Beijing(CN)
  • 作者

    Ye Zhu; Lianpo Wang; Yonggang Gu; Chao Zhai; Yi Jin;

  • 作者单位

    Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, 443# Huangshan Road,Hefei 230027, Anhui Province,China;

    Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, 443# Huangshan Road,Hefei 230027, Anhui Province,China;

    Experiment Center of Engineering and Material Science, University of Science and Technology of China, 443# Huangshan Road,Hefei 230027, Anhui Province,China;

    Experiment Center of Engineering and Material Science, University of Science and Technology of China, 443# Huangshan Road,Hefei 230027, Anhui Province,China;

    Experiment Center of Engineering and Material Science, University of Science and Technology of China, 443# Huangshan Road,Hefei 230027, Anhui Province,China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    line-structured light calibration; binocular algorithm;

    机译：线结构光校准；双目算法;

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