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Proceedings Paper

Automatic extraction of isotropic points using min-max scanned photoelastic images
Author(s): Terry Yuan-Fang Chen; Yu-Hsiang Fang; Han-Sheng Lin
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Paper Abstract

A robust and accurate method is proposed to extract the isotropic points from min-max scanned photoelastic images automatically. The method uses a multiple layered window with four-change condition to extract the isotropic points. Test of this method on both the simulated and experimental obtained isoclinic images and direction images is shown. An exact position was found for the simulated images and a difference of about 1.4 pixels is achieved for the experimental ones. The whole scheme is very simple, fast, and effective to extract the isotropic point for structural design purpose.

Paper Details

Date Published: 12 April 2005
PDF: 6 pages
Proc. SPIE 5852, Third International Conference on Experimental Mechanics and Third Conference of the Asian Committee on Experimental Mechanics, (12 April 2005); doi: 10.1117/12.621925
Show Author Affiliations
Terry Yuan-Fang Chen, National Cheng Kung Univ. (Taiwan)
Yu-Hsiang Fang, National Cheng Kung Univ. (Taiwan)
Han-Sheng Lin, National Cheng Kung Univ. (Taiwan)


Published in SPIE Proceedings Vol. 5852:
Third International Conference on Experimental Mechanics and Third Conference of the Asian Committee on Experimental Mechanics
Chenggen Quan; Fook Siong Chau; Anand Asundi; Brian Stephen Wong; Chwee Teck Lim, Editor(s)

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