Monocular Camera High Precision Calibration Method Based on Checkerboard

Lai Wen-jing; Zhou Yan-zhou; Zhu Wen-zhuo; Bao Hong

doi:10.3969/j.issn.1007-7162.2015.03.015

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Monocular Camera High Precision Calibration Method Based on Checkerboard

更新时间：2026-05-27

- Monocular Camera High Precision Calibration Method Based on Checkerboard
- Vol. 32, Issue 3, Pages: 79-84(2015)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.1007-7162.2015.03.015
  CLC：
- Online First：22 September 2015，
  
  Published：2015
- 稿件说明：
移动端阅览
赖文敬, 周延周, 朱文卓, 鲍鸿. 一种基于棋盘格模板单目摄像机高精度标定方法[J]. 广东工业大学学报, 2015, 32(3): 79-84.

Lai Wen-jing, Zhou Yan-zhou, Zhu Wen-zhuo, et al. Monocular Camera High Precision Calibration Method Based on Checkerboard[J]. 2015, 32(3): 79-84.
赖文敬, 周延周, 朱文卓, 鲍鸿. 一种基于棋盘格模板单目摄像机高精度标定方法[J]. 广东工业大学学报, 2015, 32(3): 79-84. DOI： 10.3969/j.issn.1007-7162.2015.03.015.

Lai Wen-jing, Zhou Yan-zhou, Zhu Wen-zhuo, et al. Monocular Camera High Precision Calibration Method Based on Checkerboard[J]. 2015, 32(3): 79-84. DOI： 10.3969/j.issn.1007-7162.2015.03.015.

摘要

提出了一种基于棋盘格模板的单目摄像机标定方法，该方法首先使用高精度CCD摄像机对摆放在二维手动导轨平台上，沿

坐标轴多次改变固定值的棋盘格标定模板进行拍摄，并提取棋盘格角点的亚像素坐标.再结合DLT标定方法求得摄像机所有参数，最后对任意位置的棋盘格角点进行三维重建来测量标定精度，重建得到的

坐标和

坐标平均误差均为±0.02 mm.实验结果表明该方法能够快速、有效地获取高精度的摄像机参数，可以满足三维重建及其他视觉检测场合使用要求.

Abstract

In this paper

a monocular camera calibration method based on checkerboard template is presented. This method is using a highprecision CCD camera to take pictures of checkerboard calibration template which is placed on a twodimensional platform with handoperated rails. Its fixed values vary along the

axis

and so the subpixel coordinates of checkerboard corner points yield. Then all the camera parameters can be obtained by adopting DLT calibration method

and finally the arbitrary checkerboard corner points will be reconstructed to test the accuracy of calibration by estimating in 3D spatial coordinate. The average error of horizontal and vertical coordinates are both ± 0.02 mm. Experimental data show that by using this method highprecision camera parameters can be obtained quickly and efficiently

which meets the requirements of threedimensional reco

nstruction and other visual inspection occasions.

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