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Proceedings Paper

New moire method for industry online measurement
Author(s): Shuping Cao; Bryan Kok Ann Ngoi; Yunfeng Song; Liam Guan Lim
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Paper Abstract

Here a new flash phase-shifting method has been prosed. In this method, the phase difference between three consecutive Moire images is achieved by changing the illumination angles. A theoretical derivation is presented, and certain formulas are obtained to calculate 3D information of the measured object. The special phase unwrapping algorithm connected with this phase shifting method is also solved out. At last, experiment result have been given to compare with theory derivation.

Paper Details

Date Published: 13 June 2001
PDF: 6 pages
Proc. SPIE 4317, Second International Conference on Experimental Mechanics, (13 June 2001); doi: 10.1117/12.429569
Show Author Affiliations
Shuping Cao, Nanyang Technological Univ. (Singapore)
Bryan Kok Ann Ngoi, Nanyang Technological Univ. (Singapore)
Yunfeng Song, Nanyang Technological Univ. (Singapore)
Liam Guan Lim, Nanyang Technological Univ. (Singapore)

Published in SPIE Proceedings Vol. 4317:
Second International Conference on Experimental Mechanics
Fook Siong Chau; Chenggen Quan, Editor(s)

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