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We present two applications of the hologram signal processing based on the mutual conversion between the hologram and light field. Both hologram and light field represent the light from three-dimensional objects but with different characteristics. This feature can be utilized to update the hologram for desired purpose without prior knowledge on the three-dimensional objects in the hologram. In this talk, we show how this mutual conversion can be used to update existing holograms to new ones for their speckle-free optical reconstructions. We also discuss hologram update which scales three-dimensional objects in the hologram with constant transverse and axial magnifications.
Jae-Hyeung Park andDae-Youl Park
"Speckle-free reconstruction and distortion-free scaling of holographic three-dimensional images using hologram-light field conversion", Proc. SPIE 11898, Holography, Diffractive Optics, and Applications XI, 1189807 (9 October 2021); https://doi.org/10.1117/12.2602609
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Jae-Hyeung Park, Dae-Youl Park, "Speckle-free reconstruction and distortion-free scaling of holographic three-dimensional images using hologram-light field conversion," Proc. SPIE 11898, Holography, Diffractive Optics, and Applications XI, 1189807 (9 October 2021); https://doi.org/10.1117/12.2602609