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

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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3D Omni-directional Vision SLAM using a Fisheye Lens Laser Scanner

어안 렌즈와 레이저 스캐너를 이용한 3차원 전방향 영상 SLAM

  • Choi, Yun Won (Automotive IT Platform Research Team, ETRI) ;
  • Choi, Jeong Won (Department of Automatic Electrical Engineering, Yeungnam College of Science & Technology) ;
  • Lee, Suk Gyu (Department of Electrical Engineering, Yeungnam University)
  • Received : 2015.01.06
  • Accepted : 2015.03.02
  • Published : 2015.07.01
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Abstract

This paper proposes a novel three-dimensional mapping algorithm in Omni-Directional Vision SLAM based on a fisheye image and laser scanner data. The performance of SLAM has been improved by various estimation methods, sensors with multiple functions, or sensor fusion. Conventional 3D SLAM approaches which mainly employed RGB-D cameras to obtain depth information are not suitable for mobile robot applications because RGB-D camera system with multiple cameras have a greater size and slow processing time for the calculation of the depth information for omni-directional images. In this paper, we used a fisheye camera installed facing downwards and a two-dimensional laser scanner separate from the camera at a constant distance. We calculated fusion points from the plane coordinates of obstacles obtained by the information of the two-dimensional laser scanner and the outline of obstacles obtained by the omni-directional image sensor that can acquire surround view at the same time. The effectiveness of the proposed method is confirmed through comparison between maps obtained using the proposed algorithm and real maps.

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References

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