24 May 2018 Image blur and visual perception for rainbow holographic display
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Abstract
The rainbow hologram provides observation of the reconstructed object with different spectra over different viewing position. Recently, we’ve proposed a concept of digital rainbow holographic display using diffraction grating and white LED lighting source. In the technique, the slit is implemented numerically by reducing the frequency of the hologram, while the rainbow effect is realized by dispersion of white light source on the diffraction grating. Phase only SLM with 4F imaging system is used for implementation of complex wave fields. For classical rainbow hologram, image blur is known to be very important key point regarding holographic image quality. In this paper, we analyze image blur and visual perception for digital rainbow holographic display. The quality of reconstructed rainbow holograms is investigated under varying viewing conditions regarding visual perception and depth resolution. In experiments, the visual properties of the digital rainbow hologram are analyzed using optical reconstructions for the hologram of 3D and 2D objects of different depth.
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Hyon-Gon Choo, Hyon-Gon Choo, Maksymilian Chlipała, Maksymilian Chlipała, Tomasz Kozacki, Tomasz Kozacki, "Image blur and visual perception for rainbow holographic display", Proc. SPIE 10679, Optics, Photonics, and Digital Technologies for Imaging Applications V, 106790S (24 May 2018); doi: 10.1117/12.2306902; https://doi.org/10.1117/12.2306902
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