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http://dx.doi.org/10.7735/ksmte.2017.26.1.108

3D Extraction Method Using a Low Cost Line Laser  

Yun, Chun Ho (Department of Mechanical System Design Engineering, Seoul National University of Science and Technology)
Kim, Tae Gi (Department of Mechanical System Design Engineering, Seoul National University of Science and Technology)
Cho, Yong Wook (Department of Mechanical System Design Engineering, Seoul National University of Science and Technology)
Nam, Gi Won (Department of Mechanical System Design Engineering, Seoul National University of Science and Technology)
Yim, Choong Hyuk (Department of Mechanical System Design Engineering, Seoul National University of Science and Technology)
Publication Information
Journal of the Korean Society of Manufacturing Technology Engineers / v.26, no.1, 2017 , pp. 108-113 More about this Journal
Abstract
In this paper, we proposed a three-dimensional(3D) scanning system based on laser vision technique for 3D model reconstruction. The proposed scanning system consists of line laser, camera, and turntable. We implemented the 3D scanning system using low quality elements. Although these are low quality elements, we reduced the 3D data reconstruction errors greatly using two methods. First, we developed a maximum brightness detection algorithm. This algorithm extracts the maximum brightness of the line laser to obtain the shape of the object. Second, we designed a new laser control device. This device helps to adjust the relative position of the turntable and line laser. These two methods greatly reduce the measuring noise. As a result, point cloud data can be obtained without complicated calculations.
Keywords
3D scanning; Line laser; CCD camera Turntable; Calibration; Surface reconstruction;
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