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18 November 2019 On resizing the reconstructed image in interactive holographic 3D display system
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Abstract
The methods based on spatial and frequency domain processing for resizing the reconstructed image of digital hologram are studied. The first kind of methods for resizing reconstructed image is to resample the hologram. The reconstructed image is reduced by up-sampling or interpolating the hologram and the reconstructed image is magnified by down-sampling hologram. But its viewing angle is reduced. An approach is proposed to preserve the viewing angle. The second kind of method for resizing reconstructed image is to resample selected region in frequency domain of hologram. The reconstructed image is resized by this method without changing its viewing angle.
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Kai Huang, Yong Li, Lihong Ma, Yiteng Jiang, and Xingcan Zhou "On resizing the reconstructed image in interactive holographic 3D display system", Proc. SPIE 11188, Holography, Diffractive Optics, and Applications IX, 111882B (18 November 2019); https://doi.org/10.1117/12.2538835
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