Research of Filtering Method for ESPI Fringe Patterns

Yong Hong Wang; Hua Long Zhou; Nan Li; Lian Xiang Yang

doi:10.4028/www.scientific.net/AMR.403-408.3195

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 403-408Research of Filtering Method for ESPI Fringe...

Research of Filtering Method for ESPI Fringe Patterns

Abstract:

The Electronic Speckle Pattern Interferometry (ESPI) is a widely used technique for measurement displacement and deformation. But the fringe phase pattern of ESPI always comes with large noise when using phase-shifting technique. In order to ensure the accuracy of the measurement, it is very important to eliminate the noise of the phase fringe pattern. This paper introduced a phase filtering method, comparing with traditional methods, which can be found is a simple and effective method, and the experimental results have shown that the method was feasible used for image processing of ESPI fringes．

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Periodical:

Advanced Materials Research (Volumes 403-408)

Pages:

3195-3198

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.403-408.3195

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Online since:

November 2011

Authors:

Yong Hong Wang, Hua Long Zhou, Nan Li, Lian Xiang Yang

Keywords:

Electronic Speckle Pattern Interferometry (ESPI), Phase Filtering, Phase Fringe Pattern, Phase Map

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References

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