Relationship between stereo depth and parallax image capture in stereoscopic display

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Relationship between stereo depth and parallax image capture in stereoscopic display

Article | 更新时间：2020-08-13

- Relationship between stereo depth and parallax image capture in stereoscopic display
- Optics and Precision Engineering Vol. 17, Issue 2, Pages: 433-438(2009)
- 作者机构：
  
  四川大学电子信息学院四川大学电子信息学院四川大学电子信息学院四川大学电子信息学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：16 April 2008，
  
  Revised：13 June 2008，
  
  Published Online：25 February 2009，
  
  Published：25 February 2009
- 稿件说明：
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王琼华李大海陶宇虹李小方. 立体显示中立体深度与视差图获取的关系[J]. 光学精密工程, 2009,17(2):433-438

Relationship between stereo depth and parallax image capture in stereoscopic display[J]. Optics and precision engineering, 2009, 17(2): 433-438.
王琼华李大海陶宇虹李小方. 立体显示中立体深度与视差图获取的关系[J]. 光学精密工程, 2009,17(2):433-438 DOI：

Relationship between stereo depth and parallax image capture in stereoscopic display[J]. Optics and precision engineering, 2009, 17(2): 433-438. DOI：

摘要

自由立体显示器的再现立体深度与视差图的视差大小有关系，而视差的大小与获取视差图时相机摆放方式密切相关。本文中相机采用平行放置结构，通过设置相机间距使得拍摄到的视差图在相对平移后某一深度物点具有零视差，而另一深度物点具有所期望的视差。视差大小体现了再现立体深度大小，从而得到再现立体深度与相机间距间的定量关系。最后通过实验验证了其正确性。该研究结果可用于指导拍摄立体影像时相机的摆放，从而获得适当的视差图以达到最佳立体显示效果。

Abstract

In stereoscopic displays

stereo depth is associated with parallax image’s parallax

and parallax is related with camera’s layout when the parallax images are captured. In the paper

the parallel camera configuration is adopted. By setting proper space between cameras and shifting the images reasonably

the objects with a certain depth have zero parallax and the objects with other depth have expected parallax. The parallax embodies the stereo depth

so the quantitative relationship between stereo depth and distance of two cameras which capture the parallax images is calculated. Experiments were carried out to verify the theory. The results help to shoot good parallax images for stereoscopic displays by laying out cameras suitably.

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