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基于固定位姿约束的双目相机标定研究
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中国留学基金委奖学金资助项目(201808320185)


Research on Binocular Camera Calibration Based on Fixed Constraint
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    摘要:

    针对影响双目视觉系统精度的双目相机标定问题,提出一种基于数字图像相关法与固定位姿约束的双目相机标定方法。采用传统的相机标定方法对双目相机进行标定,得到双目相机参数初值;采用数字图像相关法提高图像点提取的坐标精度;通过添加固定约束关系,建立简化的优化目标函数,并对相机参数进行优化,得到高精度标定结果。实验结果表明:该方法可达到较高精度。

    Abstract:

    Aiming at the problem of binocular camera calibration which affects the accuracy of binocular vision system,a novel binocular camera calibration based on digital image correlation method and fixed constraint was proposed.The traditional calibration method was used to calibrate the binocular camera and get the initial values.The digital image correlation method was used to improve the coordinate precision extracted by the image points.By adding the fixed constraint relationship,a simplified optimization objective function was established,and the camera parameters were optimized to get the high accuracy calibration result.The experimental results show that the method has high accuracy.

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张辉,杨育,陈瑶,齐小龙.基于固定位姿约束的双目相机标定研究[J].机床与液压,2023,51(3):109-113.
ZHANG Hui, YANG Yu, CHEN Yao, QI Xiaolong. Research on Binocular Camera Calibration Based on Fixed Constraint[J]. Machine Tool & Hydraulics,2023,51(3):109-113

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  • 在线发布日期: 2023-03-02
  • 出版日期: 2023-02-15