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3D reconstruction based on photoelastic fringes

Summary A three‐dimensional (3D) reconstruction method of structured light based on photoelastic fringes was proposed in this research. The photoelastic fringes are produced by both simulation and a polycarbonate disk under diametric compression load. Six fringes are projected onto an object by usin...

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Bibliographic Details
Published in:Concurrency and computation 2022-01, Vol.34 (1), p.n/a
Main Authors: Tao, Bo, Liu, Yao, Huang, Licheng, Chen, Guanjun, Chen, Baojia
Format: Article
Language:English
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Summary:Summary A three‐dimensional (3D) reconstruction method of structured light based on photoelastic fringes was proposed in this research. The photoelastic fringes are produced by both simulation and a polycarbonate disk under diametric compression load. Six fringes are projected onto an object by using the six‐step phase shifting technique. Therefore, the isochromatic phase image is calculated. After phase unwrapping, the isochromatic phase image can be used for 3D reconstruction. In order to verify the effectiveness of this method, two experiment devices were built by using projector and photoelastic instrument, respectively. The results show that the fringe pattern based on photoelasticity can be used for 3D reconstruction as a structured light pattern. Compared to the simulation results, the fringes produced by load are more blurred. In order to obtain a better reconstruction result, a large load should be applied to produce dense fringes.
ISSN:1532-0626
1532-0634
DOI:10.1002/cpe.6481