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Proceedings Paper

Nonlinearity of optical triangulation
Author(s): Xinming Zhang; Yongxin Sui; Jiandong Yang; Yuxiang Shi
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Paper Abstract

After discussing the out-put characteristic of optical triangulation system in detail, some points of the relation between nonlinearity of triangulation and optical system parameters are concluded. These parameters include included angle, the magnification of imaging lens and objective distance of imaging lens. Then, to correct the nonlinearity a new method-asymmetrical gains method has been developed, the principle and the theoretic calculation result are given eventually.

Paper Details

Date Published: 10 August 1998
PDF: 4 pages
Proc. SPIE 3558, Automated Optical Inspection for Industry: Theory, Technology, and Applications II, (10 August 1998); doi: 10.1117/12.318397
Show Author Affiliations
Xinming Zhang, Changchun Institute of Optics and Fine Mechanics (China)
Yongxin Sui, Changchun Institute of Optics and Fine Mechanics (China)
Jiandong Yang, Changchun Institute of Optics and Fine Mechanics (China)
Yuxiang Shi, Changchun Univ. (China)


Published in SPIE Proceedings Vol. 3558:
Automated Optical Inspection for Industry: Theory, Technology, and Applications II
Shenghua Ye, Editor(s)

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