Field Geometric Calibration Method for Line Structured Light Sensor Using Single Circular Target
Joint Authors
Sun, Lijun
Wu, D.
Chen, Tianfei
Wu, Xiang
Zhang, Qiuwen
Source
Issue
Vol. 2017, Issue 2017 (31 Dec. 2017), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2017-12-31
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Abstract EN
To achieve fast calibration of line structured light sensor, a geometric calibration approach based on single circular calibration target is proposed.
The proposed method uses the circular points to establish linear equations, and according to the angle constraint, the camera intrinsic parameters can be calculated through optimization.
Then, the light plane calibration is accomplished in two steps.
Firstly, when the vanishing lines of target plane at various postures are obtained, the intersections between vanishing lines and laser stripe can be computed, and the normal vector of light plane can be calibrated via line fitting method using intersection points.
After that, the distance from the origin of camera coordinate system to the light plane can be derived based on the model of perspective-three-point.
The actual experimental result shows that this calibration method has high accuracy, its average measuring accuracy is 0.0451 mm, and relative error is 0.2314%.
In addition, the entire calibration process has no complex operations.
It is simple, convenient, and suitable for calibration on sites.
American Psychological Association (APA)
Chen, Tianfei& Sun, Lijun& Zhang, Qiuwen& Wu, Xiang& Wu, D.. 2017. Field Geometric Calibration Method for Line Structured Light Sensor Using Single Circular Target. Scientific Programming،Vol. 2017, no. 2017, pp.1-8.
https://search.emarefa.net/detail/BIM-1203298
Modern Language Association (MLA)
Chen, Tianfei…[et al.]. Field Geometric Calibration Method for Line Structured Light Sensor Using Single Circular Target. Scientific Programming No. 2017 (2017), pp.1-8.
https://search.emarefa.net/detail/BIM-1203298
American Medical Association (AMA)
Chen, Tianfei& Sun, Lijun& Zhang, Qiuwen& Wu, Xiang& Wu, D.. Field Geometric Calibration Method for Line Structured Light Sensor Using Single Circular Target. Scientific Programming. 2017. Vol. 2017, no. 2017, pp.1-8.
https://search.emarefa.net/detail/BIM-1203298
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1203298