A method for calibrating the central catadioptric camera via Homographic Matrix
In this paper,we present a Homography-based method for calibrating the central catadioptric vision system. We consider two cases,i.e.orthographic camera with parabolic mirror and perspective camera with hyperbolic mirror.In both cases,the parameters of the mirror and the extrinsic parameters of the camera are estimated simultaneously, assuming that the intrinsic parameters of the camera are known.We formulate the calibration task into a polynomial eigenvalue problem and obtain a closed-form solution for all the variables using the plane-based Homography matrix.Our results show that five pairs of corresponding points for the first case and fourteen for the second case are sufficient to calibrate the vision system.Finally,some experiments are performed to validate the proposed algorithm.
B.Zhang Y.F.Li
School of Information Engineering,Nanjing University of Financial and Economics Nanjing,China Dept.of Manufacturing Engg and Engg Management City University of Hong Kong, Hong Kong,China
国际会议
2008 IEEE International Conference on Onformation and Automation(IEEE 信息与自动化国际会议)
张家界
英文
972-977
2008-06-20(万方平台首次上网日期,不代表论文的发表时间)