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Proceedings Paper

Lens distortion rectifying in camera optical system using planar grid
Author(s): Xiangwei Chen; Xuejun Zhang; Shan Guan
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Paper Abstract

Due to the manufacturing, installation, and other reasons, the camera optical system can not work accurately according to pinhole imaging principles because of lens distortion. There exist optical distortion errors between the practical images of object in the camera imaging surface and ideal images of object. The distortion should be eliminated on occasion of images precise measuring and strict locating. This paper puts forward the basic principle of rectifying the system geometrical distortion errors using planar grid. Experiment results show that the method of rectifying the radial distortion and the tangential distortion put forward in this paper has obvious improved results.

Paper Details

Date Published: 20 May 2009
PDF: 5 pages
Proc. SPIE 7283, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 728335 (20 May 2009); doi: 10.1117/12.828761
Show Author Affiliations
Xiangwei Chen, Northeast Dianli Univ. (China)
Xuejun Zhang, Northeast Dianli Univ. (China)
Shan Guan, Northeast Dianli Univ. (China)


Published in SPIE Proceedings Vol. 7283:
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment
Yudong Zhang; James C. Wyant; Robert A. Smythe; Hexin Wang, Editor(s)

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