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基于交比不变量的摄像机标定方法

Keywords: 标定,摄像机,镜头,光学畸变,计算机视觉,交比不变性

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Abstract:

为了解决摄像机标定的菲线性优化过程中解的不稳定性问题,针对具有镜头径向畸变的摄像机模型,提出了一种实用的摄像机线性标定方法.该方法利用透视投影的交比不变性原理标定镜头的畸变系数,基于摄像机成像的单应性矩阵及内部参数的基本约束,线性标定出其他摄像机参数.实验结果表明,该方法标定模板制作简单,速度快,具有一定的鲁棒性,可以满足工业机器视觉的精度要求.

References

[1]  贾云得.机器视觉[M].北京:科学出版社,2002:197-200.
[2]  TSAI R Y.A versatile camera calibration technique for high-accuracy 3D machine vision metrology using off-the-shelf TV camera and lenses[J].IEEE Journal of Automation,1987,3(4):323-334.
[3]  ABDEL-AZIZ Y I,KARARA H M.Direct linear transformation into object space coordinates in close-range photogrammetry [C]//Proceedings Symposium Close-Range Photogrammetry.Urbana:University of Illinois Urbana Champaign,1971: 1-18.
[4]  吴文琪.孙增圻.机器视觉中的摄像机标定方法综述[J].计算机应用研究,2004(2):4-6.WU Wen-qi,SUN Zeng-qi.Overview of camera calibration methods for machine vision[J].Application Research of Computers,2004(2):4-6.(in Chinese)
[5]  贺俊吉,张广军,杨宪铭.基于交比不变性的镜头畸变参数标定方法[J].仪器仪表学报,2004,25(5):597-599.HE Jun-ji,ZHANG Guang-jun,YANG Xian-ming.Approach for calibration of lens distortion based on cross ratio invariability[J].Chinese Journal of Scientific Instrument,2004,25(5):597-599.(in Chinese)
[6]  陈华华.视觉导航关键技术研究:立体视觉和路径规划[D].杭州:浙江大学信息科学与工程学院,2005.CHEN Hua-hua.Research on the key technology of vision based navigation:stereo vision and path planning[D].Hangzhou: Department of Information Science and Electronic Engineering,Zhejiang University,2005.(in Chinese)
[7]  FAIG W.Calibration of close-range photogrammetry systems:mathematical formulation[J].Photogrammetrie Eng Remote Sensing,1975,41(12):1479-1486.
[8]  ZHANG Z Y.A flexible new technique for camera calibration[J].IEEE Transactions on Pattern Analysis and Machine Intelligence,2000,22(11):1330-1334.

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