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Global calibration of multi-cameras with non-overlapping fields of view based on photogrammetry and reconfigurable target
Xia RB(夏仁波)1; Hu MB(胡茂邦)1,2; Zhao JB(赵吉宾)1; Chen SL(陈松林)1,2; Chen YL(陈月玲)1
作者部门装备制造技术研究室
关键词Global Calibration Photogrammetry Non-overlapping Fields Of View Reconfigurable Targets
发表期刊MEASUREMENT SCIENCE AND TECHNOLOGY
ISSN0957-0233
2018
卷号29期号:6页码:1-15
收录类别SCI ; EI
EI收录号20182105237278
WOS记录号WOS:000430345500001
产权排序1
资助机构National Natural Science Foundation of the People's Republic of China
摘要

Multi-camera vision systems are often needed to achieve large-scale and high-precision measurement because these systems have larger fields of view (FOV) than a single camera. Multiple cameras may have no or narrow overlapping FOVs in many applications, which pose a huge challenge to global calibration. This paper presents a global calibration method for multi-cameras without overlapping FOVs based on photogrammetry technology and a reconfigurable target. Firstly, two planar targets are fixed together and made into a long target according to the distance between the two cameras to be calibrated. The relative positions of the two planar targets can be obtained by photogrammetric methods and used as invariant constraints in global calibration. Then, the reprojection errors of target feature points in the two cameras' coordinate systems are calculated at the same time and optimized by the Levenberg-Marquardt algorithm to find the optimal solution of the transformation matrix between the two cameras. Finally, all the camera coordinate systems are converted to the reference coordinate system in order to achieve global calibration. Experiments show that the proposed method has the advantages of high accuracy (the RMS error is 0.04mm) and low cost and is especially suitable for on-site calibration.

语种英语
WOS类目Engineering, Multidisciplinary ; Instruments & Instrumentation
关键词[WOS]EXTERNAL PARAMETER CALIBRATION ; MIRROR
WOS研究方向Engineering ; Instruments & Instrumentation
资助项目National Natural Science Foundation of the People's Republic of China[51375476]
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/21852
专题装备制造技术研究室
通讯作者Xia RB(夏仁波)
作者单位1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China;
2.University of Chinese Academy of Sciences, Beijing, China
推荐引用方式
GB/T 7714
Xia RB,Hu MB,Zhao JB,et al. Global calibration of multi-cameras with non-overlapping fields of view based on photogrammetry and reconfigurable target[J]. MEASUREMENT SCIENCE AND TECHNOLOGY,2018,29(6):1-15.
APA Xia RB,Hu MB,Zhao JB,Chen SL,&Chen YL.(2018).Global calibration of multi-cameras with non-overlapping fields of view based on photogrammetry and reconfigurable target.MEASUREMENT SCIENCE AND TECHNOLOGY,29(6),1-15.
MLA Xia RB,et al."Global calibration of multi-cameras with non-overlapping fields of view based on photogrammetry and reconfigurable target".MEASUREMENT SCIENCE AND TECHNOLOGY 29.6(2018):1-15.
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