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	Constraints on general motions for camera calibration with one-dimensional objects
	Qi, Fei ; Li, Qihe ; Luo, Yupin ; Hu, Dongcheng
	2010-05-06 ; 2010-05-06
关键词	camera calibration cross-ratio vanishing points 1 D calibration objects virtual rectangles parabola SELF-CALIBRATION MOVING CAMERA POINTS Computer Science, Artificial Intelligence Engineering, Electrical & Electronic
中文摘要	This paper focuses on two problems in camera calibration with one-dimensional (1D) objects: (a) to find out the general motion patterns well suited for solving the calibration problem, and (b) to improve the robustness and accuracy of the method. Firstly, a sufficient and necessary condition for the solvability of 1D calibration with general motions is proved. Then the special motion of tossing a 1D object is provided as an example to illustrate the correctness and feasibility of this condition. After that some practical issues on obtaining the solution are inspected. By avoiding singularities, the precision and robustness of the method are improved: the relative mean errors are reduced to less than 5% at the noise level of one pixel which surpasses the state-of-the-art methods of the same category. (c) 2006 Pattern Recognition Society. Published by Elsevier Ltd. All rights reserved.
语种	英语 ; 英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD ; OXFORD ; THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/9376]
专题	清华大学
推荐引用方式 GB/T 7714	Qi, Fei,Li, Qihe,Luo, Yupin,et al. Constraints on general motions for camera calibration with one-dimensional objects[J],2010, 2010.
APA	Qi, Fei,Li, Qihe,Luo, Yupin,&Hu, Dongcheng.(2010).Constraints on general motions for camera calibration with one-dimensional objects..
MLA	Qi, Fei,et al."Constraints on general motions for camera calibration with one-dimensional objects".(2010).

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