Share Email Print
cover

Proceedings Paper

Three-dimensional shape restoration using virtual grating phase detection from deformed grating
Author(s): Shaoxiang Zhou; Jinyou Jiang; Qimin Wang
Format Member Price Non-Member Price
PDF $14.40 $18.00

Paper Abstract

A quasi-real-time phase detection method for restoring three-dimentional profile is proposed based on phase shifting technique. A deformed grating is formed on the surface of an object under test with the aid of projecting a Ronchi grating. The phase distribution of the deformed fringes corresponds to the profile of the objct. Four scanning moire patterns, having phase difference of itI 2 successively, are generated by means of a virtual grating shifting. The phase values are available at every pixel location from the deformed grating. The principle ofthe method and some experimental results are presented in this paper.

Paper Details

Date Published: 1 April 1991
PDF: 5 pages
Proc. SPIE 1358, 19th Intl Congress on High-Speed Photography and Photonics, (1 April 1991); doi: 10.1117/12.23955
Show Author Affiliations
Shaoxiang Zhou, Univ. of Science and Technology of China (China)
Jinyou Jiang, Univ. of Science and Technology of China (China)
Qimin Wang, Univ. of Science and Technology of China (China)


Published in SPIE Proceedings Vol. 1358:
19th Intl Congress on High-Speed Photography and Photonics
Peter W. W. Fuller, Editor(s)

© SPIE. Terms of Use
Back to Top