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题名:
Non-iterative method for camera calibration
作者: Hong, Yuzhen1,2; Ren, Guoqiang2; Liu, Enhai2
刊名: Optics Express
出版日期: 2015
卷号: 23, 期号:18, 页码:23992-24003
学科分类: Calibration - Cameras
DOI: 10.1364/OE.23.023992
文章类型: 期刊论文
中文摘要: This paper presents a new and effective technique to calibrate a camera without nonlinear iteration optimization. To this end, the centre-ofdistortion is accurately estimated firstly. Based on the radial distortion division model, point correspondences between model plane and its image were used to compute the homography and distortion coefficients afterwards. Once the homographies of calibration images are obtained, the camera intrinsic parameters are solved analytically. All the solution techniques applied in this calibration process are non-iterative that do not need any initial guess, with no risk of local minima. Moreover, estimation of the distortion coefficients and intrinsic parameters could be successfully decoupled, yielding the more stable and reliable result. Both simulative and real experiments have been carried out to show that the proposed method is reliable and effective. Without nonlinear iteration optimization, the proposed method is computationally efficient and can be applied to realtime online calibration. © 2015 Optical Society of America.
英文摘要: This paper presents a new and effective technique to calibrate a camera without nonlinear iteration optimization. To this end, the centre-ofdistortion is accurately estimated firstly. Based on the radial distortion division model, point correspondences between model plane and its image were used to compute the homography and distortion coefficients afterwards. Once the homographies of calibration images are obtained, the camera intrinsic parameters are solved analytically. All the solution techniques applied in this calibration process are non-iterative that do not need any initial guess, with no risk of local minima. Moreover, estimation of the distortion coefficients and intrinsic parameters could be successfully decoupled, yielding the more stable and reliable result. Both simulative and real experiments have been carried out to show that the proposed method is reliable and effective. Without nonlinear iteration optimization, the proposed method is computationally efficient and can be applied to realtime online calibration. © 2015 Optical Society of America.
收录类别: SCI ; Ei
语种: 英语
WOS记录号: WOS:000362419900090
ISSN号: 1094-4086
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/5138
Appears in Collections:光电传感技术研究室(六室)_期刊论文

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作者单位: 1. University of Chinese Academy of Sciences, Beijing, China
2. Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, China

Recommended Citation:
Hong, Yuzhen,Ren, Guoqiang,Liu, Enhai. Non-iterative method for camera calibration[J]. Optics Express,2015,23(18):23992-24003.
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