Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography (한국측량학회지)

Korean Society of Surveying, Geodesy, Photogrammetry and Cartography (한국측량학회)
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Detection Method for Road Pavement Defect of UAV Imagery Based on Computer Vision

컴퓨터 비전 기반 UAV 영상의 도로표면 결함탐지 방안

  • Joo, Yong Jin (Dept. of Aerial Geoinformatics, Inha Technical College)
  • Received : 2017.12.04
  • Accepted : 2017.12.22
  • Published : 2017.12.31
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Abstract

Cracks on the asphalt road surface can affect the speed of the car, the consumption of fuel, the ride quality of the road, and the durability of the road surface. Such cracks in roads can lead to very dangerous consequences for long periods of time. To prevent such risks, it is necessary to identify cracks and take appropriate action. It takes too much time and money to do it. Also, it is difficult to use expensive laser equipment vehicles for initial cost and equipment operation. In this paper, we propose an effective detection method of road surface defect using ROI (Region of Interest) setting and cany edge detection method using UAV image. The results of this study can be presented as efficient method for road surface flaw detection and maintenance using UAV. In addition, it can be used to detect cracks such as various buildings and civil engineering structures such as buildings, outer walls, large-scale storage tanks other than roads, and cost reduction effect can be expected.

아스팔트 도로표면의 균열은 자동차 속도, 연료 소비량, 도로주행 시 승차감, 도로표면의 내구성 등에 영향을 미친다. 이러한 도로의 균열은 장시간 방치 시 상당히 위험한 결과를 초래할 수 있다. 사람이 직접 균열을 찾아 내어 적절한 조치를 취하기에는 너무 많은 시간과 비용이 소모된다. 또한 고가의 레이저 장비 차량들을 활용하기에는 초기 비용과 장비 운용에 어려움을 가진다. 이에 본 연구에서는 UAV 영상을 이용해 컴퓨터 비전 기반의 관심영역(ROI: Region of Interest) 설정과 에지 검출 알고리즘을 적용하여 도로표면의 균열탐지 방안을 제시하였다. 본 연구 결과는 무인항공기를 활용한 효율적인 도로표면 결함탐지 및 유지보수 방안으로 제시될 수 있다. 또한 도로 이외 건물빌딩의 외벽, 대규모 저장 탱크 등 다양한 건축, 토목 구조물에 발생된 균열 탐지에 활용이 가능하며 비용저감 효과를 기대할 수 있을 것이다.

Keywords

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