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《Computer Engineering》 2010-21
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Efficient Calibration Method for Vision Navigation Camera

SUN Jie,ZHU Shi-qiang,LAI Xiao-bo(State Key Laboratory of Fluid Power Transmission and Control,Zhejiang University,Hangzhou 310027,China)  
Aiming at the camera calibration in vision navigation system of mobile robot,this paper proposes an efficient method of camera calibration.The radial distortion and tangential distortion is taken into account.Hough transform is applied to extract the checkboard corners,and initial values of camera parameters are obtained.Levenberg Marquardt algorithm is used for nonlinear iteration optimization.The corners are reprojected to the rectangular checkboard,the corners extracted are compared with Hough transform,and the causes of error are analyzed.The results show that this method of anti-noise ability is strong,and the experimental conditions are relatively low.The precision completely satisfies requirement of actual navigation,which is suitable for camera calibration of mobile robot.
【CateGory Index】: TP391.41
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【Citations】
Chinese Journal Full-text Database 3 Hits
1 ZHANG Wei-hua1,CHEN Jun2(College of Mechanical and Electronic Engineering,Northwest Agriculture andForestry University,Yangling 712100,China);CCD camera calibration[J];Transducer and Microsystem Technologies;2009-02
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 LIU Chao,GAO Jing-xiang,YANG Hua-chao(School of Environmental and Spatial Informatics in China University of Mining & Technology / Jiangsu Key Laboratory of Resources and Environmental Information Engineering,Jiangsu Xuzhou 221008,China);Research on camera calibration algorithm using planar control grid[J];Science of Surveying and Mapping;2009-04
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8 WU Ya-peng1,PAN Jian-shou1,HU Yang-lian2,ZHANG Juan1(1 College of Information Science and Technology, Northwest University,Xi′an 710069,Shaanxi,China; 2 College of Sciences,Xi′an University of Technology,Xi′an 710048,Shaanxi,China);Analysis and design of a stereo-vision calibration system[J];Journal of Shaanxi Normal University(Natural Science Edition);2007-S2
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【Secondary Citations】
Chinese Journal Full-text Database 10 Hits
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