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Coplanar circles, quasi-affine invariance and calibration
Wu, YH; Li, XJ; Wu, FC; Hu, ZY
2006-04-01
发表期刊IMAGE AND VISION COMPUTING
卷号24期号:4页码:319-326
文章类型Article
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.
关键词Associated Lines With Two Coplanar Circles Projective Invariance Quasi-affine Invariance Circular Points Camera Calibration
WOS标题词Science & Technology ; Technology ; Physical Sciences
收录类别SCI
语种英语
WOS研究方向Computer Science ; Engineering ; Optics
WOS类目Computer Science, Artificial Intelligence ; Computer Science, Software Engineering ; Computer Science, Theory & Methods ; Engineering, Electrical & Electronic ; Optics
WOS记录号WOS:000238043500001
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9216
专题09年以前成果
作者单位Chinese Acad Sci, Natl Lab Pattern Recognit, Inst Automat, Beijing 100080, Peoples R China
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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.
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