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首页> 外文期刊>Optical engineering >Computer-generated phase-modulated full parallax holographic stereograms without conjugate images
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Computer-generated phase-modulated full parallax holographic stereograms without conjugate images

机译：没有共轭图像的计算机生成的相位调制全视差全息立体图

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摘要

A pure phase-modulated computer-generated hologram (CGH) method is presented to generate a full parallax holographic stereogram. The holographic stereogram plane is divided into several two-dimensional holographic elements (hogels). The spectra of the hogels are rendered from multiview full parallax images of three-dimensional (3-D) objects. The phase-modulated hogel is calculated by iterative Fourier transform algorithms to improve diffraction efficiency and eliminate conjugate images. A gray calibration technique is introduced to generate the accurate intensity modulation of pure phase hogels. The holographic stereogram that we proposed is reconstructed by an optical system based on a phase only spatial light modulator. The experimental results demonstrate that our proposed method can successfully reconstruct parallax images of 3-D objects.
机译：提出了一种纯相位调制计算机生成全息图（CGH）方法，以生成完整的视差全息立体图。全息立体图平面分为几个二维全息元素（hogels）。 Hogel的光谱是从三维（3-D）对象的多视图全视差图像渲染的。通过迭代傅立叶变换算法来计算调相后的霍格尔，以提高衍射效率并消除共轭图像。引入了灰色校准技术以生成纯相霍格斯的精确强度调制。我们提出的全息立体图由基于仅相位空间光调制器的光学系统重建。实验结果表明，我们提出的方法可以成功地重建3D对象的视差图像。

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  • 来源
    《Optical engineering》 |2014年第10期|103105.1-103105.7|共7页
  • 作者

    Chuang Pei; Xingpeng Yan; Xiaoyu Jiang;

  • 作者单位

    Academy of Armored Forces Engineering, Department of Information Engineering, No. 21, Dujiakan, Changxindian Street, Fengtai, Beijing 100072, China;

    Academy of Armored Forces Engineering, Department of Information Engineering, No. 21, Dujiakan, Changxindian Street, Fengtai, Beijing 100072, China;

    Academy of Armored Forces Engineering, Department of Information Engineering, No. 21, Dujiakan, Changxindian Street, Fengtai, Beijing 100072, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    computer-generated hologram; holographic stereograms; full parallax; three-dimensional display;

    机译：计算机生成的全息图;全息立体图全视差三维显示;

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