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Proceedings Paper

Determination of phase-shift from two fringe patterns using windowed Fourier ridges
Author(s): Kemao Qian; Hock Soon Seah; Anand Asundi
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Paper Abstract

In phase-shifting interferometry, it is important yet difficult to determine the phase-shift accurately. A windowed Fourier ridges approach is proposed which is able to obtain the phase-shift from two consecutive fringe patterns.

Paper Details

Date Published: 12 April 2005
PDF: 4 pages
Proc. SPIE 5852, Third International Conference on Experimental Mechanics and Third Conference of the Asian Committee on Experimental Mechanics, (12 April 2005); doi: 10.1117/12.621484
Show Author Affiliations
Kemao Qian, Nanyang Technological Univ. (Singapore)
Hock Soon Seah, Nanyang Technological Univ. (Singapore)
Anand Asundi, Nanyang Technological Univ. (Singapore)


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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