A Precise Calibration Method for Line Scan Cameras

doi:10.1109/TIM.2021.3090157

CIOMP OpenIR

	A Precise Calibration Method for Line Scan Cameras
	G. Yuan; L. Zheng; Y. Ding; H. Zhang; X. Zhang; X. Liu and J. Sun
	2021
发表期刊	IEEE Transactions on Instrumentation and Measurement
ISSN	189456
卷号	70
摘要	With the advantages of ultrahigh resolution and acquisition rate, line scan cameras are increasingly being deployed for precision measurement. In order to achieve high precision, the intrinsic parameters must be calibrated properly. However, the existing calibration models that only calibrate the principle points and the distortion in 1-D direction and ignore the other directions result in limited adaptability and accuracy, which are especially serious for multiline cameras. To conquer this challenge, this article proposes a precise calibration method that is qualified for both multiline cameras and single-line cameras. Through the analysis of the relative position relationship between the pixel array and principle point, a method for calibrating the principle points and the distortion in 2-D direction is proposed and a flexible calibration device is designed based on a theodolite. The calibration quality is improved by the novel calibration method that effectively establishes the correspondence relationship between the rays and pixels by recording the incident angle of the collimated beam and its image, respectively. Moreover, a robust optimization algorithm is proposed to enhance the stability of parameter estimation. The proposed method is verified by Monte-Carlo simulation, real experimental data, and flight. The results show that the 2-D calibration model can improve the calibration accuracy of the multiline cameras by 45 pixels at most, and its reprojection measurement uncertainty is as low as 0.1 pixels. The comparative results of the experiments demonstrate that the proposed method has the advantages of high accuracy, low cost, and easy implementation. 1963-2012 IEEE.
DOI	10.1109/TIM.2021.3090157
URL	查看原文
收录类别	SCI ; EI
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/65546
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	G. Yuan,L. Zheng,Y. Ding,et al. A Precise Calibration Method for Line Scan Cameras[J]. IEEE Transactions on Instrumentation and Measurement,2021,70.
APA	G. Yuan,L. Zheng,Y. Ding,H. Zhang,X. Zhang,&X. Liu and J. Sun.(2021).A Precise Calibration Method for Line Scan Cameras.IEEE Transactions on Instrumentation and Measurement,70.
MLA	G. Yuan,et al."A Precise Calibration Method for Line Scan Cameras".IEEE Transactions on Instrumentation and Measurement 70(2021).

条目包含的文件		下载所有文件
文件名称/大小	文献类型	版本类型	开放类型	使用许可
A Precise Calibratio（3449KB）	期刊论文	出版稿	开放获取	CC BY-NC-SA	浏览下载