Noise Filter Reducing Deformation in Digital Holography

Yoshitaka Takahashi; Takaya Okada; Ryutaro Sekiguchi; Madoka Fukushima

doi:10.4028/www.scientific.net/AEF.38.71

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HomeAdvanced Engineering ForumAdvanced Engineering Forum Vol. 38Noise Filter Reducing Deformation in Digital...

Noise Filter Reducing Deformation in Digital Holography

Abstract:

A phase difference image using phase-shifting digital holography, which is applied for non-contact shape measurement, contains speckle noises and filtering to reduce them is inevitable for its application. We have developed a new filter which causes less deformation than commonly used filters.

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Periodical:

Advanced Engineering Forum (Volume 38)

Pages:

71-75

DOI:

https://doi.org/10.4028/www.scientific.net/AEF.38.71

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Online since:

November 2020

Authors:

Yoshitaka Takahashi*, Takaya Okada, Ryutaro Sekiguchi, Madoka Fukushima

Keywords:

Noise Filter, Phase-Shifting Digital Holography, Shape Measurement

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* - Corresponding Author

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