Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Lane Departure Detection Using a Partial Top-view Image

부분 top-view 영상을 이용한 차선 이탈 검출

  • Received : 2017.03.30
  • Accepted : 2017.04.13
  • Published : 2017.08.31
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Abstract

This paper proposes a lane departure detection algorithm using a single camera equipped in front of a vehicle. The proposed algorithm generates a partial top-view image for a small ROI (region of interest) designated on the top-view space form the image acquired by the camera, detects lanes on the small partial top-view image, and makes a decision on the lane departure by checking overlap between the pre-assigned virtual vehicle and the detected lanes. The proposed algorithm also includes the removal of lines occurred by road symbols (noises) disturbing the lane departure detection between lanes and the prediction of lost lanes using lane information of previous fames. In lane departure detection test using real road videos, the proposed algorithm makes the right decision of 99.0% in lane keeping conditions and 94.7% in lane departure conditions.

본 논문은 자동차 전방에 장착된 단일 카메라를 이용한 차선 이탈 검출 알고리즘을 제안한다. 제안된 알고리즘은 카메라에 의해 취득된 영상으로부터 top-view 공간에 지정된 작은 관심 영역을 위한 부분 top-view 영상을 생성하고, 작은 부분 top-view 영상에서 차선을 검출하고, 미리 지정된 가상 자동차와 검출된 차선들의 겹침을 조사해 차선 이탈을 결정한다. 또한 제안된 알고리즘은 차선 사이에서 차선 이탈 검출을 방해하는 도로 표기 (잡음)에 의한 직선들의 제거와 이전 프레임의 차선 정보를 이용한 손실된 차선의 예측을 포함한다. 실제 주행 동영상을 이용한 차선 이탈 검출 실험에서 제안된 알고리즘은 차선 유지 상태에서 99.0%, 차선 이탈 상태에서 94.7%를 정상적으로 검출한다.

Keywords

References

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