2023
DOI: 10.1364/optcon.481998
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Reducing ringing artifacts for hologram reconstruction by extracting patterns of ringing artifacts

Abstract: Diffraction calculation techniques based on Fourier transform, such as Fresnel diffraction, are essential in computational optics. Notably, zero padding is applied in diffraction calculations to manipulate sampling pitch and convolution calculations. However, zero padding can generate ringing artifacts due to sudden changes in value, which affect hologram reconstructions, etc. Several existing methods reduce the ringing artifact by decreasing the sudden changes in values. Therefore, in this study, we propose a… Show more

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Cited by 2 publications
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“…In addition, this study compares the proposed method with the average subtraction 9 and the aperture division method. 10…”
Section: Introductionmentioning
confidence: 99%
“…In addition, this study compares the proposed method with the average subtraction 9 and the aperture division method. 10…”
Section: Introductionmentioning
confidence: 99%