Investigation using communication theory in spatial fringe analysis method

Yasuhiko Arai; Shunsuke Yokozeki

doi:10.1117/12.467248

18 October 2002 Investigation using communication theory in spatial fringe analysis method

Yasuhiko Arai, Shunsuke Yokozeki

Proceedings Volume 4902, Optomechatronic Systems III; (2002) https://doi.org/10.1117/12.467248
Event: Optomechatronic Systems III, 2002, Stuttgart, Germany

Abstract

By analyzing the spatial fringe analysis method wiht the communication theory, it has been shown that the meauring accuracy of the method depends onthe cahracteirstics of ameasured object. It is also shown that not only the inherent limitation of the accuracy but also the dependence upon the S/N ratio of the fringe images exist inteh spatial fringe analysis method. It is shown that filtering technologies are useful to improve the measuring accuracy in fringe analysis.

Citation Download Citation

Yasuhiko Arai and Shunsuke Yokozeki "Investigation using communication theory in spatial fringe analysis method", Proc. SPIE 4902, Optomechatronic Systems III, (18 October 2002); https://doi.org/10.1117/12.467248

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