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Proceedings Paper

The Image Photo-Carrier Theory And Its Application To The Determination Of Principal Stress Direction
Author(s): Wang Rupeng
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Paper Abstract

The image photo-carrier theory as a new technique in photomechanics is described in this paper. The idea of high frequence photo-carrier which can transform the photoelasticity fringe into moire fringe and the single phase carrier method are presented by the author. According to the idea as mentioned above the physics and mathematics relation between the principal stress direction and moire fringe obtained from photo-carrier is established. The photo-carrier possesses some special functions which make it possible to determine automatically the fringe order and the fractional fringe value by the image processing system, in consequence of which provides an effective technique for collection and processing automatization in photomechanics.

Paper Details

Date Published: 17 February 1987
PDF: 5 pages
Proc. SPIE 0814, Photomechanics and Speckle Metrology, (17 February 1987); doi: 10.1117/12.941705
Show Author Affiliations
Wang Rupeng, Shanghai College of Architectural and Municipal Engineering (China)

Published in SPIE Proceedings Vol. 0814:
Photomechanics and Speckle Metrology
Fu-Pen Chiang, Editor(s)

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