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Proceedings Paper

New principle formula of optical triangulation displacement measurement based on light scattering from rough surface
Author(s): Shao-Qing Wang; Bao Hua Zhuang; Wenwei Zhang
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Paper Abstract

A new principle formula of optical triangulation displacement measurement has been built by the use of the theory of light scattering from object surface. The new formula has been compared with the existing formula based on the geometric optics. The main factors affecting the precision of displacement measurement has been analyzed with the new formula. The preliminary experiment results about the new formula have been reported. Some methods which can be used to reduce and correct the measurement error have been advanced.

Paper Details

Date Published: 20 January 1997
PDF: 6 pages
Proc. SPIE 2909, Three-Dimensional Imaging and Laser-Based Systems for Metrology and Inspection II, (20 January 1997); doi: 10.1117/12.263331
Show Author Affiliations
Shao-Qing Wang, Shandong Institute of Building Materials (China)
Bao Hua Zhuang, Tianjin Univ. (China)
Wenwei Zhang, Tianjin Univ. (China)


Published in SPIE Proceedings Vol. 2909:
Three-Dimensional Imaging and Laser-Based Systems for Metrology and Inspection II
Kevin G. Harding; Donald J. Svetkoff, Editor(s)

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