CASIA OpenIR  > 09年以前成果
Detecting and handling unreliable points for camera parameter estimation
Wu, Yihong1,2; Li, Youfu1; Hu, Zhanyi2
Source PublicationINTERNATIONAL JOURNAL OF COMPUTER VISION
2008-08-01
Volume79Issue:2Pages:209-223
SubtypeArticle
AbstractThe popularly used DLT method sometimes fails to give reliable camera parameter estimation. It is therefore important to detect the unreliability and provide the corresponding solutions. Based on a complete framework of invariance for six points, we construct two evaluation functions to detect the unreliability. The two evaluation functions do not involve any computations for the camera projective matrix or optical center and thus are efficient to perform the detection. Then, the guidelines corresponding to the different detection results are presented. In particular, a filtering RANSAC method to remove the detected unreliable points is provided. The filtering RANSAC proves to be successful in removing the unreliable points even if these points are of a large proportion.
KeywordBracket Algebra Invariant Camera Calibration
WOS HeadingsScience & Technology ; Technology
WOS KeywordRECONSTRUCTION ; INVARIANTS
Indexed BySCI
Language英语
WOS Research AreaComputer Science
WOS SubjectComputer Science, Artificial Intelligence
WOS IDWOS:000256009700006
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/9708
Collection09年以前成果
Affiliation1.City Univ Hong Kong, Dept Manufacturing Engn & Engn Management, Kowloon, Hong Kong, Peoples R China
2.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Wu, Yihong,Li, Youfu,Hu, Zhanyi. Detecting and handling unreliable points for camera parameter estimation[J]. INTERNATIONAL JOURNAL OF COMPUTER VISION,2008,79(2):209-223.
APA Wu, Yihong,Li, Youfu,&Hu, Zhanyi.(2008).Detecting and handling unreliable points for camera parameter estimation.INTERNATIONAL JOURNAL OF COMPUTER VISION,79(2),209-223.
MLA Wu, Yihong,et al."Detecting and handling unreliable points for camera parameter estimation".INTERNATIONAL JOURNAL OF COMPUTER VISION 79.2(2008):209-223.
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