12 September 2016 Layer-oriented computer-generated holograms for three-dimensional display
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Abstract
Depth cues and full-parallax are crucial issues in the calculation of computer-generated holograms (CGHs) for perfect holographic three-dimensional (3-D) display. In order to accelerate the speed of generating CGHs and improve the display quality, three layer-oriented methods are investigated in this paper. The first method is based on angularspectrum, which can provide accurate depth cues. The second method is based on inverse Fresnel diffraction layered holographic stereogram to provide accurate depth information as well as correct occlusion effect. The third method is proposed to generate zoomable 3-D CGHs using layer-based shifted Fresnel diffraction. Numerical simulations and optical experiments have demonstrated that the proposed methods can reconstruct quality 3-D images.
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Liangcai Cao, Liangcai Cao, Yan Zhao, Yan Zhao, Hao Zhang, Hao Zhang, Song Zong, Song Zong, Dezhao Kong, Dezhao Kong, Guofan Jin, Guofan Jin, "Layer-oriented computer-generated holograms for three-dimensional display", Proc. SPIE 9970, Optics and Photonics for Information Processing X, 997007 (12 September 2016); doi: 10.1117/12.2238820; https://doi.org/10.1117/12.2238820
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