Transactions of the Korean Society of Mechanical Engineers A (대한기계학회논문집A)

The Korean Society of Mechanical Engineers (대한기계학회)
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Image Tracking Based Lane Departure Warning and Forward Collision Warning Methods for Commercial Automotive Vehicle

이미지 트래킹 기반 상용차용 차선 이탈 및 전방 추돌 경고 방법

  • Received : 2014.06.27
  • Accepted : 2014.09.15
  • Published : 2015.02.01
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Abstract

Active Safety system is requested on the market of the medium and heavy duty commercial vehicle over 4.5ton beside the market of passenger car with advancement of the digital equipment proportionally. Unlike the passenger car, the mounting position of camera in case of the medium and heavy duty commercial vehicle is relatively high, it is disadvantaged conditions for lane recognition in contradiction to passenger car. In this work, we show the method of lane recognition through the Sobel edge, based on the spatial domain processing, Hough transform and color conversion correction. Also we suggest the low error method of front vehicles recognition in order to reduce the detection error through Haar-like, Adaboost, SVM and Template matching, etc., which are the object recognition methods by frontal camera vision. It is verified that the reliability over 98% on lane recognition is obtained through the vehicle test.

디지털 기기의 발달과 더불어 능동안전시스템 또한 비례적으로 발달됨에 따라 4.5 톤 이상 중대형상용차에도 능동안전시스템에 대한 요구가 대두되고 있다. 승용차량과 달리 중대형 상용차량 경우 카메라 장착 위치가 상대적으로 높아 차선 인식에 불리한 조건을 가지고 있다. 본 논문에서는 공간영역처리 기반 중 하나인 소벨 에지(Sobel Edge) 추출과 허프 변환(Hough Transform) 기법과 색 변환보정 기법으로 국내 도로 환경에 맞는 차선 인식에 대한 방법을 제시하고, 영상을 통한 전방의 차량을 인식하는 객체 인식 기법 중에 Haar-like 기법, Adaboost 기법, SVM 기법, Template Matching 기법 등을 적용 및 분석을 통하여 검출 오류를 줄이기 위한 전방 차량 인식 방법을 제안한다. 성능검증을 위해서 실차평가를 실시하였으며, 차선 인식에 대해 98% 이상의 높은 인식률을 얻었다.

Keywords

References

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