CASIA OpenIR  > 09年以前成果
Detecting critical configuration of six points
Wu, YH; Hu, ZY; Narayanan, PJ; Nayar, SK; Shum, HY
2006
发表期刊COMPUTER VISION - ACCV 2006, PT II
卷号3852页码:447-456
文章类型Article
摘要When space points and camera optical center lie on a twisted cubic, no matter how many corresponding pairs there are from space points to their image points, camera projection matrix cannot be uniquely determined, in other words, the configuration of camera and space points in this case is critical for camera parameter estimation. In practice, it is important to detect; this critical configuration before the estimated camera parameters are used. In this work, a new method is introduced to detect this critical configuration, which is based on an effective criterion function constructed from an invariant relationship between six space points and their corresponding image points. The advantage of this method is that no explicit computation on camera projection matrix or optical center is needed. Simulations show it is quite robust and stable against noise. Experiments on real data, show the criterion function can be faithfully trusted for camera parameter estimation.
WOS标题词Science & Technology ; Technology
关键词[WOS]PROJECTIVE RECONSTRUCTION ; INVARIANTS ; IMAGES
收录类别ISTP ; SCI
语种英语
WOS研究方向Computer Science
WOS类目Computer Science, Artificial Intelligence ; Computer Science, Theory & Methods
WOS记录号WOS:000235773200045
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9240
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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GB/T 7714
Wu, YH,Hu, ZY,Narayanan, PJ,et al. Detecting critical configuration of six points[J]. COMPUTER VISION - ACCV 2006, PT II,2006,3852:447-456.
APA Wu, YH,Hu, ZY,Narayanan, PJ,Nayar, SK,&Shum, HY.(2006).Detecting critical configuration of six points.COMPUTER VISION - ACCV 2006, PT II,3852,447-456.
MLA Wu, YH,et al."Detecting critical configuration of six points".COMPUTER VISION - ACCV 2006, PT II 3852(2006):447-456.
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