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Xin Guan

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Proceedings Article | 20 August 2010 Paper

Locomotive wheel 3D reconstruction

Xin Guan, Zhisheng Luo, Xiaorong Gao, Jianle Wu

Proceedings Volume 7820, 782024 (2010) https://doi.org/10.1117/12.866827

KEYWORDS: Cameras, Calibration, 3D modeling, Imaging systems, Computing systems, Image processing, MATLAB, 3D image processing, Computer programming, 3D vision

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In the article, a system, which is used to reconstruct locomotive wheels, is described, helping workers detect the condition of a wheel through a direct view. The system consists of a line laser, a 2D camera, and a computer. We use 2D camera to capture the line-laser light reflected by the object, a wheel, and then compute the final coordinates of the structured light. Finally, using Matlab programming language, we transform the coordinate of points to a smooth surface and illustrate the 3D view of the wheel. The article also proposes the system structure, processing steps and methods, and sets up an experimental platform to verify the design proposal. We verify the feasibility of the whole process, and analyze the results comparing to standard date. The test results show that this system can work well, and has a high accuracy on the reconstruction. And because there is still no such application working in railway industries, so that it has practical value in railway inspection system.

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