Image quality improvement in Fresnel zone aperture-based lensless camera with ptychography-inspired reconstruction

Keita Yamaguchi; David J. Brady

doi:10.1364/COSI.2021.CTh7A.2

OSA Imaging and Applied Optics Congress 2021 (3D, COSI, DH, ISA, pcAOP)
OSA Technical Digest (Optica Publishing Group, 2021),
paper CTh7A.2
•https://doi.org/10.1364/COSI.2021.CTh7A.2

Image quality improvement in Fresnel zone aperture-based lensless camera with ptychography-inspired reconstruction

Keita Yamaguchi and David J. Brady

Computational Optical Sensing and Imaging 2021

Washington, DC United States
19–23 July 2021
ISBN: 978-1-943580-89-7

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Lensless Imaging (CTh7A)

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K. Yamaguchi and D. J. Brady, "Image quality improvement in Fresnel zone aperture-based lensless camera with ptychography-inspired reconstruction," in OSA Imaging and Applied Optics Congress 2021 (3D, COSI, DH, ISA, pcAOP), H. Hua, B. Javidi, M. Martinez-Corral, O. Matoba, A. Stern, S. Thibault, T. Alieva, J. Ke, F. Willomitzer, F. Okten, P. Silveira, P. Banerjee, E. Stoykova, D. Chu, J. Park, F. Imai, C. Joo, M. Digman, D. Gardner, S. Gladysz, D. LeMaster, S. Basu, and O. Korotkova, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper CTh7A.2.

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Abstract

To overcome the resolution and noise limits in Fresnel zone aperture-based lensless cameras, two types of multi-shot imaging are proposed. Simulated results show these methods successfully suppress the effect of sensor noise and diffraction.

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