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

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Obstacle Classification Method using Multi Feature Comparison Based on Single 2D LiDAR

단일 2차원 라이다 기반의 다중 특징 비교를 이용한 장애물 분류 기법

  • Lee, Moohyun (Telecommunication Research Center, Yeungnam University) ;
  • Hur, Soojung (Department of Information Communication Engineering, Yeungnam University) ;
  • Park, Yongwan (Department of Information Communication Engineering, Yeungnam University)
  • 이무현 (영남대학교 정보통신연구소) ;
  • 허수정 (영남대학교 정보통신공학과) ;
  • 박용완 (영남대학교 정보통신공학과)
  • Received : 2015.11.09
  • Accepted : 2015.12.31
  • Published : 2016.04.01
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Abstract

We propose an obstacle classification method using multi-decision factors and decision sections based on Single 2D LiDAR. The existing obstacle classification method based on single 2D LiDAR has two specific advantages: accuracy and decreased calculation time. However, it was difficult to classify obstacle type, and therefore accurate path planning was not possible. To overcome this problem, a method of classifying obstacle type based on width data was proposed. However, width data was not sufficient to enable accurate obstacle classification. The proposed algorithm of this paper involves the comparison between decision factor and decision section to classify obstacle type. Decision factor and decision section was determined using width, standard deviation of distance, average normalized intensity, and standard deviation of normalized intensity data. Experiments using a real autonomous vehicle in a real environment showed that calculation time decreased in comparison with 2D LiDAR-based method, thus demonstrating the possibility of obstacle type classification using single 2D LiDAR.

Keywords

Acknowledgement

Supported by : 한국연구재단

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