Suppression of ringing artifacts in diffraction calculations

Tomoyoshi Shimobaba; Fan Wang; Yogi Udjaja; Takashi Nishitsuji; Atsushi Shiraki; Tomoyoshi Ito

doi:10.1117/12.3026635

18 June 2024 Suppression of ringing artifacts in diffraction calculations

Tomoyoshi Shimobaba, Fan Wang, Yogi Udjaja, Takashi Nishitsuji, Atsushi Shiraki, Tomoyoshi Ito

Proceedings Volume 12998, Optics, Photonics, and Digital Technologies for Imaging Applications VIII; 129981T (2024) https://doi.org/10.1117/12.3026635
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Conference Poster

Abstract

Diffraction calculations are essential in optics, including holography, optical element design, and information optics. Convolution-based diffraction calculations can be accelerated by Fourier transforms; however, they often suffer from ringing artifacts (a.k.a. Gibbs phenomena) due to the non-continuous borders of the calculation windows. Suppressing techniques for ringing artifacts have been proposed so far, but these techniques are time-consuming and use large amounts of memory. This study presents a ringing artifact reduction using the Fresnel integrals.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Tomoyoshi Shimobaba, Fan Wang, Yogi Udjaja, Takashi Nishitsuji, Atsushi Shiraki, and Tomoyoshi Ito "Suppression of ringing artifacts in diffraction calculations", Proc. SPIE 12998, Optics, Photonics, and Digital Technologies for Imaging Applications VIII, 129981T (18 June 2024); https://doi.org/10.1117/12.3026635

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