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Camera calibration method based on an isosceles right triangle planar pattern
Hou XK(侯续奎)1; Wang ED(王恩德)1; Peng LY(彭良玉)1; Li XP(李学鹏)1; Qi K(齐凯)1,2
Department光电信息技术研究室
Conference Name2018 10th International Conference on Graphics and Image Processing (ICGIP 2018)
Conference DateDecember 12-14, 2018
Conference PlaceChengdu, China
Author of SourceChina Graphics Society ; China Society of Image and Graphics ; Ocean University of China ; University of Portsmouth
Source Publication2018 10th International Conference on Graphics and Image Processing (ICGIP 2018)
PublisherSPIE
Publication PlaceBellingham, USA
2018
Pages1-8
Indexed ByEI ; CPCI(ISTP)
EI Accession number20192106949074
WOS IDWOS:000485096200112
Contribution Rank1
ISSN0277-786X
ISBN978-1-5106-2828-1
KeywordCamera calibration isosceles right triangle planar pattern corner detection constraint equations calibration accuracy
AbstractCamera calibration is one of the key steps of 3D reconstruction. Aiming at improving the accuracy and solving the complex problems of camera calibration, based on the camera model, a practical approach of camera calibration based on an isosceles right triangle planar pattern was presented. The camera coordinate system was set as the world coordinate system. Five camera intrinsic parameters needed to be calibrated. The planar pattern contained three apexes of the triangle and two arbitrary points on two right angle sides. More than six pattern images were captured from different poses, the improved Harris detector was used to obtain the sub-pixel coordinates of the corners. Established the constraint equations according to the right angle, camera intrinsic parameters can be calculated. This method reduced the requirements of pattern and was simple and convenient to operate. Experiment shows that the approach is accurate.
Language英语
Citation statistics
Document Type会议论文
Identifierhttp://ir.sia.cn/handle/173321/24689
Collection光电信息技术研究室
Corresponding AuthorHou XK(侯续奎)
Affiliation1.Key Laboratory of Optical Electrical Image Processing, Shenyang Institute of Automation, Chinese Academy of Sciences, 114, Nanta Street, Shenhe District, Shenyang, Liaoning, China;
2.College of Information Science and Engineering, Northeastern University, NO. 3-11, Wenhua Road, Heping District, Shenyang, China
Recommended Citation
GB/T 7714
Hou XK,Wang ED,Peng LY,et al. Camera calibration method based on an isosceles right triangle planar pattern[C]//China Graphics Society, China Society of Image and Graphics, Ocean University of China, University of Portsmouth. Bellingham, USA:SPIE,2018:1-8.
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