Coplanar circles, quasi-affine invariance and calibration

	Coplanar circles, quasi-affine invariance and calibration
	Wu, YH; Li, XJ; Wu, FC; Hu, ZY
刊名	IMAGE AND VISION COMPUTING
	2006-04-01
卷号	24 期号:4 页码:319-326
关键词	associated lines with two coplanar circles projective invariance quasi-affine invariance circular points camera calibration
英文摘要	We define the lines associated with two coplanar circles, and give the distributions of any two coplanar circles and their associated lines. Further we prove that the distribution of two coplanar circles with no real intersection and their associated lines is a quasi-affine invariance. Then the results are applied to calibrating a camera. The calibration method has the advantages: (1) it is based on conic fitting; (2) it does not need any matching. Experiments with two separate circles validate our quasi-affine invariance and show that the estimated camera intrinsic parameters are as good as those obtained by Zhang's (2000) method. (c) 2005 Elsevier B.V. All rights reserved.
WOS标题词	Science & Technology ; Technology ; Physical Sciences
类目[WOS]	Computer Science, Artificial Intelligence ; Computer Science, Software Engineering ; Computer Science, Theory & Methods ; Engineering, Electrical & Electronic ; Optics
研究领域[WOS]	Computer Science ; Engineering ; Optics
收录类别	SCI
语种	英语
WOS记录号	WOS:000238043500001
公开日期	2015-12-24
内容类型	期刊论文
源URL	[http://ir.ia.ac.cn/handle/173211/9216]
专题	自动化研究所_09年以前成果
作者单位	Chinese Acad Sci, Natl Lab Pattern Recognit, Inst Automat, Beijing 100080, Peoples R China
推荐引用方式 GB/T 7714	Wu, YH,Li, XJ,Wu, FC,et al. Coplanar circles, quasi-affine invariance and calibration[J]. IMAGE AND VISION COMPUTING,2006,24(4):319-326.
APA	Wu, YH,Li, XJ,Wu, FC,&Hu, ZY.(2006).Coplanar circles, quasi-affine invariance and calibration.IMAGE AND VISION COMPUTING,24(4),319-326.
MLA	Wu, YH,et al."Coplanar circles, quasi-affine invariance and calibration".IMAGE AND VISION COMPUTING 24.4(2006):319-326.