실시간 영상이미지 분석을 통한 아스팔트 콘크리트 포장의 노면 상태 인식 및 블랙아이스 예방시스템
Real-time Road Surface Recognition and Black Ice Prevention System for Asphalt Concrete Pavements using Image Analysis
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초록
블랙 아이스는 인지하기가 매우 어렵고 도로 노면의 마찰력이 감소하여 자동차 사고를 유발한다. 도로 노면의 블랙아이스 방지를위한 다양한 연구가 수행되었으나, 실시간으로 블랙아이스를 식별하고 운전자에게 경고하는 시스템에 대한 연구는 매우 미흡한 실정이다. 본논문에서는 아스팔트 도로 노면의 상태를 실시간적으로 식별하기 위해 이미지기반 분석 시스템을 개발하였다. 이를 위해 각 아스팔트 도로 노면 이미지에 대해 데이터 세트를 구축한 다음 딥러닝을 통해 노면의 상태를 건조, 젖음, 블랙아이스, 눈 노면 상태로 식별하였다. 또한, 이미지분석결과와 더불어 도로 노면 상태의 최종판별을 위해 실제 노면에서 측정된 온도와 습도 데이터를 사용하였다. 도로 노면의 특성이 블랙아이스로 판정이 나면, 도로에 설치된 염수 분사장치가 자동으로 작동하도록 하였다. 본 연구에서 개발된 아스팔트 콘크리트 포장에 대한 노면 상태 식별 시스템과 블랙아이스 자동 예방 시스템은 운전자의 안전운행을 보장하고 교통사고 발생률을 낮출 수 있을 것으로 기대된다.
Abstract
Black ice is very difficult to recognize and reduces the friction of the road surface, causing automobile accidents. Since black ice is difficult to detect, there is a need for a system that identifies black ice in real time and warns the driver. Various studies have been conducted to prevent black ice on road surfaces, but there is a lack of research on systems that identify black ice in real time and warn drivers. In this paper, an real-time image-based analysis system was developed to identify the condition of asphalt road surface, which is widely used in Korea. For this purpose, a dataset was built for each asphalt road surface image, and then the road surface condition was identified as dry, wet, black ice, and snow using deep learning. In addition, temperature and humidity data measured on the actual road surface were used to finalize the road surface condition. When the road surface was determined to be black ice, the salt spray equipment installed on the road was automatically activated. The surface condition recognition system for the asphalt concrete pavement and black ice automatic prevention system developed in this study are expected to ensure safe driving and reduce the incidence of traffic accidents.
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