Fast realization of full parallax holographic stereograms for 3D objects

PEI Chuang; JIANG Xiao-yu; Zhao kai; LIANG Hao-cong

doi:10.3788/OPE.20142204.1029

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Fast realization of full parallax holographic stereograms for 3D objects

Information Sciences | 更新时间：2020-08-13

- Fast realization of full parallax holographic stereograms for 3D objects
- Optics and Precision Engineering Vol. 22, Issue 4, Pages: 1029-1036(2014)
- 作者机构：
  
  装甲兵工程学院信息工程系北京,100072
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20142204.1029
  CLC： O438.1
- Received：11 July 2013，
  
  Revised：20 August 2013，
  
  Published：25 April 2014
- 稿件说明：
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裴闯, 蒋晓瑜, 赵锴等. 三维物体全视差全息体视图的快速计算[J]. 光学精密工程, 2014,22(4): 1029-1036

PEI Chuang, JIANG Xiao-yu, Zhao kai etc. Fast realization of full parallax holographic stereograms for 3D objects[J]. Editorial Office of Optics and Precision Engineering, 2014,22(4): 1029-1036
裴闯, 蒋晓瑜, 赵锴等. 三维物体全视差全息体视图的快速计算[J]. 光学精密工程, 2014,22(4): 1029-1036 DOI： 10.3788/OPE.20142204.1029.

PEI Chuang, JIANG Xiao-yu, Zhao kai etc. Fast realization of full parallax holographic stereograms for 3D objects[J]. Editorial Office of Optics and Precision Engineering, 2014,22(4): 1029-1036 DOI： 10.3788/OPE.20142204.1029.

摘要

针对传统全息技术对三维数据源要求高、计算量大以及实现速度慢等问题，提出了一种三维物体全视差全息体视图的快速计算方法。该方法对全息面和再现面分别进行空间分割和频谱采样，通过迭代傅里叶变换算法计算多个基元全息图，叠加构成全息图单元。由摄像机获取三维物体不同角度的二维视差图像，基于人眼双目视差立体视觉原理，构建视差图像与全息图单元的对应关系。最后，利用全视差图像调制全息图单元中对应衍射方向的基元全息图，快速合成三维物体全视差全息体视图。基于液晶空间光调制器构建的光学系统对全息体视图进行了再现实验。结果表明，与传统全息图计算方法相比，本文方法容易获取数据源，计算量较小，能够快速计算全息体视图，实现三维物体不同视角图像的再现。

Abstract

A new fast method for generating a full parallax holographic stereogram of 3D objects was proposed to overcome the problems such as huge data

slow computation speeds and high requirements for the data source in computer-generated hologram technique. Firstly

spatial segmentation and spectral sampling were carried out on a hologram plane and a reconstructed plane respectively. Then

a series of perspective view images were captured by a moving camera according to the principle of binocular stereo-vision in the human visual system. The matching relationship between multi-view images and holographic elements was designed in this algorithm. The multi-view images were used to modulate primary elemental holograms in holographic elements to get the holographic stereogram of 3D objects. Finally

the holographic stereogram was reconstructed in an optical system based on the liquid spatial light modulator. The experimental result shows that the proposed holographic stereogram can realize the reconstruction of different parallax images of 3D objects.

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references

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