Journal of the Korean Society of Safety (한국안전학회지)

The Korean Society of Safety (한국안전학회)
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Development and Application of Aerial Photographing Distortion Correction Technology - Focused on Photoshop and PC-Rect

항공사진 촬영 왜곡보정기술 개발 및 적용 사례 - Photoshop과 PC-Rect 적용 중심

  • Park, Myung-cheol (Traffic Accident Analysis Division, National Forensic Service) ;
  • Park, Jong-chan (Traffic Accident Analysis Division, National Forensic Service) ;
  • Yun, Yong-mun (Traffic Accident Analysis Division, National Forensic Service) ;
  • Kim, Song-hui (Traffic Accident Analysis Division, National Forensic Service)
  • 박명철 (국립과학수사연구원 교통사고분석과) ;
  • 박종찬 (국립과학수사연구원 교통사고분석과) ;
  • 윤용문 (국립과학수사연구원 교통사고분석과) ;
  • 김송희 (국립과학수사연구원 교통사고분석과)
  • Received : 2017.03.02
  • Accepted : 2017.06.26
  • Published : 2017.08.31
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Abstract

Outline map is used for the description and reconstruction of the traffic accident. One way to produce the outline map is by adopting detailed measurements from the accident site such as final position of the vehicle and pedestrian, width of the road, and locations of the oil and tire marks. This method consumes large amount of time not to mention that of the production of detailed version as fine as the picture of the site. Aerial recording equipment so called HeliCam can produce an outline map that can substitute that of manual method with even faster production time and higher resolution. However, the produced picture have errors which are resulted by distortion due to the characteristics of camera and direction of the photographing. This paper provides correction of the distortion of oultline map produced by HeliCam using Adobe Photoshop and PC-Rect. The result showed resonable error range less than 6 cm(0.1%) for $60m{\times}30m$ area taken by HeliCam. The presented method develops outline map with small error, which is useful to traffic accident analysis, and traffic accident cases analyzed in this study were also.

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