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A new constraint on the imaged absolute conic from aspect ratio and its application
Wu, YH; Hu, ZY
Source PublicationPATTERN RECOGNITION LETTERS
2005-06-01
Volume26Issue:8Pages:1192-1199
SubtypeArticle
AbstractCamera self-calibration is an important task in computer vision. In the literature, if the aspect ratio is known, people need additionally zero-skew-assumption to generate a constraint on the image of the absolute conic for camera calibration. However usually camera skew is nonzero and unknown. In this paper, a new quadric constraint on the image of the absolute conic is introduced, which is solely from known aspect ratio. Its application to single-view-based calibration and reconstruction is reported to illustrate its applicability and usefulness. In addition, the new constraint is experimentally shown to be advantageous over the commonly used zero-skew-based constraint in terms of calibration accuracy. © 2004 Elsevier B.V. All rights reserved.
KeywordAbsolute Conic Camera Intrinsic Parameter Single-view-based Camera Calibration
WOS HeadingsScience & Technology ; Technology
WOS KeywordSELF-CALIBRATION ; MOVING CAMERA
Indexed BySCI
Language英语
WOS Research AreaComputer Science
WOS SubjectComputer Science, Artificial Intelligence
WOS IDWOS:000229130900016
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/9136
Collection09年以前成果
AffiliationChinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Wu, YH,Hu, ZY. A new constraint on the imaged absolute conic from aspect ratio and its application[J]. PATTERN RECOGNITION LETTERS,2005,26(8):1192-1199.
APA Wu, YH,&Hu, ZY.(2005).A new constraint on the imaged absolute conic from aspect ratio and its application.PATTERN RECOGNITION LETTERS,26(8),1192-1199.
MLA Wu, YH,et al."A new constraint on the imaged absolute conic from aspect ratio and its application".PATTERN RECOGNITION LETTERS 26.8(2005):1192-1199.
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