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Optical Engineering

Design and calibration of a single-camera-based stereo vision sensor
Author(s): Ji-gui Zhu; Yanjun Li; Sheng-hua Ye
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Paper Abstract

A low-cost, single camera model is introduced for the measurement of point coordinates in a 3-D space. By adding two groups of symmetrical reflectors, a single charge-coupled device (CCD) camera can be imaged as a pair of identical virtual cameras, from which a stereo pair of images of an object with parallax can be simultaneously obtained in one image plane and used to retrieve the 3-D coordinates of a point using triangulation. Doing so, the traditional dual-camera system is simplified as a single camera structure. The calibration method is also presented, which is simpler and easier to carry out than that for a dual-camera system. Experimental results show that the single camera method is efficient.

Paper Details

Date Published: 1 August 2006
PDF: 6 pages
Opt. Eng. 45(8) 083001 doi: 10.1117/1.2336417
Published in: Optical Engineering Volume 45, Issue 8
Show Author Affiliations
Ji-gui Zhu, Tianjin Univ. (China)
Yanjun Li, Tianjin Univ. (China)
Sheng-hua Ye, Tianjin Univ. (China)


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