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A decoupled calibration method for camera intrinsic parameters and distortion coefficients
Yan, Kun1; Tian, Hong1; Liu, Enhai1; Zhao, Rujin1; Hong, Yuzhen1,2; Zuo, Dan1,2
2016
发表期刊Mathematical Problems in Engineering
ISSN1024123X
卷号2016页码:1392832
文章类型J
摘要Camera calibration is a necessary process in the field of vision measurement. In this paper, we propose a flexible and high-accuracy method to calibrate a camera. Firstly, we compute the center of radial distortion, which is important to obtain optimal results. Then, based on the radial distortion of the divisionmodel, the camera intrinsic parameters and distortion coefficients are solved in a linear way independently. Finally, the intrinsic parameters of the camera are optimized via the Levenberg-Marquardt algorithm. In the proposed method, the distortion coefficients and intrinsic parameters are successfully decoupled; calibration accuracy is further improved through the subsequent optimization process. Moreover, whether it is for relatively small image distortion or distortion larger image, utilizing our method can get a good result. Both simulation and real data experiment demonstrate the robustness and accuracy of the proposed method. Experimental results show that the proposed method can be obtaining a higher accuracy than the classical methods. Copyright © 2016 Kun Yan et al.
关键词Cameras
DOI10.1155/2016/1392832
收录类别SCI ; Ei
语种英语
项目资助者National Natural Science Foundation of China [61501429]
WOS记录号WOS:000394843700001
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.ioe.ac.cn/handle/181551/8485
专题光电传感技术研究室(六室)
作者单位1. Institute of Optics and Electronics, Chinese Academy of Sciences, Photoelectric Sensor Laboratory, Photoelectric Avenue, Chengdu, Sichuan
2.610209, China
3. University of Chinese Academy of Sciences, Beijing
4.100149, China
推荐引用方式
GB/T 7714
Yan, Kun,Tian, Hong,Liu, Enhai,et al. A decoupled calibration method for camera intrinsic parameters and distortion coefficients[J]. Mathematical Problems in Engineering,2016,2016:1392832.
APA Yan, Kun,Tian, Hong,Liu, Enhai,Zhao, Rujin,Hong, Yuzhen,&Zuo, Dan.(2016).A decoupled calibration method for camera intrinsic parameters and distortion coefficients.Mathematical Problems in Engineering,2016,1392832.
MLA Yan, Kun,et al."A decoupled calibration method for camera intrinsic parameters and distortion coefficients".Mathematical Problems in Engineering 2016(2016):1392832.
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