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http://dx.doi.org/10.5762/KAIS.2015.16.6.4108

Catadioptric Omnidirectional Stereo Imaging System and Reconstruction of 3-dimensional Coordinates  

Kim, Soon-Cheol (Dept. of Electrical and Information Engineering, Seoul National University of Science and Technology)
Yi, Soo-Yeong (Dept. of Electrical and Information Engineering, Seoul National University of Science and Technology)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.16, no.6, 2015 , pp. 4108-4114 More about this Journal
Abstract
An image acquisition by using an optical mirror is called as a catadioptric method. The catadioptric imaging method is generally used for acquisition of 360-degree all directional visual information in an image. An exemplar omnidirectional optical mirror is the bowl-shaped hyperbolic mirror. In this paper, a single camera omnidirectional stereo imaging method is studied with an additional concave lens. It is possible to obtain 3 dimensional coordinates of environmental objects from the omnidirectional stereo image by matching the stereo image having different view points. The omnidirectional stereo imaging system in this paper is cost-effective and relatively easy for correspondence matching because of consistent camera intrinsic parameters in the stereo image. The parameters of the imaging system are extracted through 3-step calibration and the performance for 3-dimensional coordinates reconstruction is verified through experiments in this paper. Measurable range of the proposed imaging system is also presented by depth-resolution analysis.
Keywords
Calibration; Catadioptric; Omnidirectional stereo image; Reflection; Refraction;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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