Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Development of 3D Scanner Based on Laser Structured-light Image

레이저 구조광 영상기반 3차원 스캐너 개발

  • Ko, Young-Jun (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) ;
  • Lee, Jun-O (Dept. of Electrical and Information Engineering, Seoul National University of Science and Technology)
  • 고영준 (서울과학기술대학교 전기정보공학과) ;
  • 이수영 (서울과학기술대학교 전기정보공학과) ;
  • 이준오 (서울과학기술대학교 전기정보공학과)
  • Received : 2015.12.11
  • Accepted : 2016.02.12
  • Published : 2016.03.01
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Abstract

This paper addresses the development of 3D data acquisition system (3D scanner) based laser structured-light image. The 3D scanner consists of a stripe laser generator, a conventional camera, and a rotation table. The stripe laser onto an object has distortion according to 3D shape of an object. By analyzing the distortion of the laser stripe in a camera image, the scanner obtains a group of 3D point data of the object. A simple semiconductor stripe laser diode is adopted instead of an expensive LCD projector for complex structured-light pattern. The camera has an optical filter to remove illumination noise and improve the performance of the distance measurement. Experimental results show the 3D data acquisition performance of the scanner with less than 0.2mm measurement error in 2 minutes. It is possible to reconstruct a 3D shape of an object and to reproduce the object by a commercially available 3D printer.

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