Journal
OPTICS EXPRESS
Volume 24, Issue 20, Pages 23390-23395Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.24.023390
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If an image is uniformly down-sampled into a sparse form and converted into a hologram, the phase component alone will be adequate to reconstruct the image. However, the appearance of the reconstructed image is degraded with numerous empty holes. In this paper, we present a low complexity and non-iterative solution to this problem. Briefly, two phase-only holograms are generated for an image, each based on a different down-sampling lattice. Subsequently, the holograms are displayed alternately at high frame rate. The reconstructed images of the 2 holograms will appear to be a single, densely sampled image with enhance visual quality. (C) 2016 Optical Society of America
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