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	Camera calibration using vertical lines
	Kong, Jing ; Ying, Xianghua ; Pu, Songtao ; Hou, Yongbo ; Guan, Sheng ; Wang, Ganwen ; Zha, Hongbin
	2013
英文摘要	In this paper we present an easy method for multiple camera calibration with common field of view only from vertical lines. The locations of the vertical lines are known in advance. Compared to other calibration objects, the vertical lines have some good properties, since they can be easily built and can be visible by cameras in any direction simultaneously. Given 5 fixed vertical lines, an image containing them taken by a camera may provide 2 constraints in the intrinsic parameters of the camera, and extrinsic parameters can then be recovered. The calibration procedure consists of three main steps: Firstly, the image is rectified by a homography, which makes the projections of vertical lines parallel to u-axis in the rectified image. Secondly, for any vertical scan line in the rectified image, if we consider the scan line is taken by a virtual 1D camera, then we can calibrate the 1D camera. Finally, the intrinsic parameters of the original camera can be determined from the intrinsic parameters of the virtual 1D camera. By evaluating on both simulated and real data we demonstrate that our method is efficient and robust. ? 2013 Springer-Verlag.; EI; 0
语种	英语
DOI标识	10.1007/978-3-642-37410-4_19
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/411592]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Kong, Jing,Ying, Xianghua,Pu, Songtao,et al. Camera calibration using vertical lines. 2013-01-01.

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