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http://dx.doi.org/10.6109/jkiice.2019.23.3.291

Design of Fresnelet Transform based on Wavelet function for Efficient Analysis of Digital Hologram  

Seo, Young-Ho (Department of Electronic Material Engineering, Kwangwoon University)
Kim, Jin-Kyum (Department of Electronic Material Engineering, Kwangwoon University)
Kim, Dong-Wook (Department of Electronic Material Engineering, Kwangwoon University)
Abstract
In this paper, we propose a Fresnel transform method using various wavelet functions to efficiently decompose digital holograms. After implementing the proposed wavelet function-based Fresnelet transforms, we apply it to the digital hologram and analyze the energy characteristics of the coefficients. The implemented wavelet transform-based Fresnelet transform is well suited for reconstructing and processing holograms which are optically obtained or generated by computer-generated hologram technique. After analyzing the characteristics of the spline function, we discuss wavelet multiresolution analysis method based on it. Through this process, we proposed a transform tool that can effectively decompose fringe patterns generated by optical interference phenomena. We implement Fresnelet transform based on wavelet function with various decomposition properties and show the results of decomposing fringe pattern using it. The results show that the energy distribution of the coefficients is significantly different depending on whether the random phase is included or not.
Keywords
Fresnelet transform; wavelet transform; fresnel diffraction; digital hologram; signal process;
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Times Cited By KSCI : 1  (Citation Analysis)
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