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	RADIAL LENS DISTORTION CORRECTION USING CASCADED ONE-PARAMETER DIVISION MODEL
	Mei, Xiang ; Yang, Sen ; Rong, Jiangpeng ; Ying, Xianghua ; Huang, Shiyao ; Zha, Hongbin
	2015
关键词	Radial distortion Cascaded division model Distortion correction Camera calibration CALIBRATION
英文摘要	Radial lens distortion is the most significant lens distortion in current cameras, and many models are proposed to describe it. Fitzgibbon presented the prestigious division distortion model with just a single parameter. Based on the fact that a line in 3D space may be projected onto a curve in the image plane due to radial distortion, Aleman et al. utilized the Hough transform with three parameters to automatically correct radial lens distortion, namely, one parameter coming from the division model, and the other two arising from the corrected image line. However, in some cases, especially for wide angle lenses, the corrected results are not very satisfactory. Someone may suggest that we can use the so-called extended division model with more than one parameter. Unfortunately, the problem will become very hard to solve, since the dimensions of the Hough parameter space become higher than three. In this paper, we propose a cascaded one-parameter division model to deal with the problem. In each stage the Hough parameter space is always three-dimensional. Enormous experiments on real images illustrate the ability of our method.; EI; CPCI-S(ISTP); 3615-3619; 2015-December
语种	英语
出处	2015 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING (ICIP)
DOI标识	10.1109/ICIP.2015.7351478
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/436432]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Mei, Xiang,Yang, Sen,Rong, Jiangpeng,et al. RADIAL LENS DISTORTION CORRECTION USING CASCADED ONE-PARAMETER DIVISION MODEL. 2015-01-01.

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