The Journal of Korea Robotics Society (로봇학회논문지)

Korea Robotics Society (한국로봇학회)
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Traffic Sign Recognition Considering the Intensity of Illumination

조도를 고려한 표지판 인식

  • 차연화 (연세대학교 컴퓨터과학과) ;
  • 전창묵 (한국과학기술연구원 인지로봇센터) ;
  • 권태범 (한국과학기술연구원 인지로봇센터) ;
  • 강성철 (한국과학기술연구원 인지로봇센터)
  • Received : 2011.01.21
  • Accepted : 2011.05.04
  • Published : 2011.05.31
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Abstract

Recognition of traffic signs helps an unmanned ground vehicle to decide its behavior correctly, and it can reduce traffic accidents. However, low cost traffic sign recognition using a vision sensor is very difficult because the signs are exposed to various illumination conditions. This paper proposes a new approach to solve this problem using an illuminometer which detects the intensity of illumination. Using the intensity of illumination, the recognizer adjusts the parameters for image processing. Therefore, we can reduce the loss of information such as the shape and color of traffic signs. Experimental results show that the proposed method is able to improve the performance of traffic sign recognition in various weather and lighting conditions.

Keywords

References

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