Journal of KIISE:Software and Applications (한국정보과학회논문지:소프트웨어및응용)

Korean Institute of Information Scientists and Engineers (한국정보과학회)
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Robust Traffic Monitoring System by Spatio-Temporal Image Analysis

시공간 영상 분석에 의한 강건한 교통 모니터링 시스템

  • Published : 2004.11.01
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Abstract

A novel vision-based scheme of extracting real-time traffic information parameters is presented. The method is based on a region classification followed by a spatio-temporal image analysis. The detection region images for each traffic lane are classified into one of the three categories: the road, the vehicle, and the shadow, using statistical and structural features. Misclassification in a frame is corrected by using temporally correlated features of vehicles in the spatio-temporal image. Since only local images of detection regions are processed, the real-time operation of more than 30 frames per second is realized without using dedicated parallel processors, while ensuring detection performance robust to the variation of weather conditions, shadows, and traffic load.

본 논문에서는 교통 영상에서 실시간 교통 정보를 산출하는 새로운 기법을 소개한다. 각 차선의 검지 영역은 통계적 특징과 형상적 특징을 이용하여 도로, 차량, 그리고 그림자 영역으로 분류한다. 한 프레임에서의 오류는 연속된 프레임에서의 차량 영역의 상관적 특징을 이용하여 시공간 영상에서 교정된다. 국부 검지 영역만을 처리하므로 전용의 병렬 처리기 없이도 초당 30 프레임 이상의 실시간 처리가 가능하며 기상조건, 그림자, 교통량의 변화에도 강건한 성능을 보장할 수 있다.

Keywords

References

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