Journal of the Korean Institute of Intelligent Systems (한국지능시스템학회논문지)

Korean Institute of Intelligent Systems (한국지능시스템학회)
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A Scheme of Extracting Forward Vehicle Area Using the Acquired Lane and Road Area Information

차선과 도로영역 정보를 이용한 전방 차량 영역의 추출 기법

  • Published : 2008.12.25
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Abstract

This paper proposes a new algorithm of extracting forward vehicle areas using the acquired lanes and road area information on road images with complex background to improve the efficiency of the vehicle detection. In the first stage, lanes are detected by taking into account the connectivity among the edges which are determined from a method of chain code. Once the lanes proceeding to the same direction with the running vehicle are detected, neighborhood roadways are found from the width and vanishing point of the acquired roadway of the running vehicle. And finally, vehicle areas, where forward vehicles are located on the road area including the center and neighborhood roadways, are extracted. Therefore, the proposed scheme of extracting forward vehicle area improves the rate of vehicle detection on the road images with complex background, and is highly efficient because of detecting vehicles within the confines of the acquired vehicle area. The superiority of the proposed algorithm is verified from experiments of the vehicle detection on road images with complex background.

본 논문은 복잡한 도로 영상에서 차량 검출의 효율성을 높이기 위해 체인코드를 이용한 차선의 검출로부터 도로 영역을 찾아 차량이 존재하는 차량 영역의 추출 기법을 제안한다 먼저, 복잡한 도로 영상에서 정확한 차선을 검출하기 위해 체인코드를 이용하여 에지 화소들간의 연결성을 고려한다. 주행 차량의 방향과 일치하는 차선을 검출한 후, 중앙의 차선으로부터 차도의 폭과 차선의 소실점을 찾아 인접하는 차도를 찾는다. 마지막으로 주행 차선과 인접 차선을 포함하는 도로 영역 내에 차량의 에지 정보를 이용하여 차량이 존재하는 차량 영역을 추출한다 따라서, 제안하는 차량 영역의 추출 기법은 복잡한 배경을 갖는 도로 영상에서 차량의 검출율을 높이고 추출된 차량 영역에 한정할 수 있기 때문에 차량을 검출하는데 매우 효율적이다. 본 논문은 제안하는 차량 영역의 추출 기법의 우수성을 복잡한 도로 영상에서 차량 검출율의 실험을 통해 검증하였다.

Keywords

References

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