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http://dx.doi.org/10.5909/JBE.2014.19.5.677

3D Accuracy Analysis of Mobile Phone-based Stereo Images  

Ahn, Heeran (Dept. of Geoinformatic Engineering, Inha University)
Kim, Jae-In (Dept. of Geoinformatic Engineering, Inha University)
Kim, Taejung (Dept. of Geoinformatic Engineering, Inha University)
Publication Information
Journal of Broadcast Engineering / v.19, no.5, 2014 , pp. 677-686 More about this Journal
Abstract
This paper analyzes the 3D accuracy of stereo images captured from a mobile phone. For 3D accuracy evaluation, we have compared the accuracy result according to the amount of the convergence angle. In order to calculate the 3D model space coordinate of control points, we perform inner orientation, distortion correction and image geometry estimation. And the quantitative 3D accuracy was evaluated by transforming the 3D model space coordinate into the 3D object space coordinate. The result showed that relatively precise 3D information is generated in more than $17^{\circ}$ convergence angle. Consequently, it is necessary to set up stereo model structure consisting adequate convergence angle as an measurement distance and a baseline distance for accurate 3D information generation. It is expected that the result would be used to stereoscopic 3D contents and 3D reconstruction from images captured by a mobile phone camera.
Keywords
mobile phone; 3D accuracy; stereo images; epipolar geometry;
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Times Cited By KSCI : 8  (Citation Analysis)
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