Journal of the Korean earth science society (한국지구과학회지)

The Korean Earth Science Society (한국지구과학회)
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Spectrum Analysis and Detection of Ships Based on Aerial Hyperspectral Remote Sensing Experiments

항공 초분광 원격탐사 실험 기반 선박 스펙트럼 분석 및 탐지

  • Jae-Jin Park (Maritime Safety and Environmental Research Center, Korea Research Institute of Ships and Ocean Engineering) ;
  • Kyung-Ae Park (Department of Earth Science Education, Seoul National University) ;
  • Tae-Sung Kim (Maritime Safety and Environmental Research Center, Korea Research Institute of Ships and Ocean Engineering) ;
  • Moonjin Lee (Maritime Safety and Environmental Research Center, Korea Research Institute of Ships and Ocean Engineering)
  • 박재진 (선박해양플랜트연구소 해사안전.환경연구센터) ;
  • 박경애 (서울대학교 지구과학교육과) ;
  • 김태성 (선박해양플랜트연구소 해사안전.환경연구센터) ;
  • 이문진 (선박해양플랜트연구소 해사안전.환경연구센터)
  • Received : 2024.06.23
  • Accepted : 2024.06.28
  • Published : 2024.06.30
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Abstract

The recent increase in maritime traffic and coastal leisure activities has led to a rise in various marine accidents. These incidents not only result in damage to human life and property but also pose a significant risk of marine pollution involving oil and hazardous and noxious substances (HNS) spills. Therefore, effective ship monitoring is crucial for preparing and for responding to marine accidents. This study conducted an aerial experiment utilizing hyperspectral remote sensing to develop a maritime ship monitoring system. Hyperspectral aerial measurements were carried out around Gungpyeong Port in the western coastal region of the Korean Peninsula, and spectral libraries were constructed for various ship decks. The spectral correlation similarity (SCS) technique was employed for ship detection, analyzing the spatial similarity distribution between hyperspectral images and ship spectra. As a result, 15 ships were detected in the hyperspectral images. The color of each ship's deck was classified based on the highest spectral similarity. The detected ships were verified by matching them with high-resolution digital mapping camera (DMC) images. This foundational study on the application of aerial hyperspectral sensors for maritime ship detection demonstrates their potential role in future remote sensing-based ship monitoring systems.

최근 해상 교통량 증가 및 연안 중심의 레저활동으로 인해 다양한 해양사고가 발생하고 있다. 그 중 선박사고는 인명 및 재산 피해를 유발할 뿐만 아니라 기름 및 위험·유해물질 유출을 동반한 해양 오염사고로 이어질 가능성이 크다. 따라서 해양사고 대비 및 대응을 위한 지속적인 선박 모니터링이 필요하다. 본 연구에서는 해상 선박 모니터링 체계 구축을 위한 초분광 원격탐사 기반의 항공 실험 수행 및 선박탐지 결과를 제시하였다. 한반도 서해 궁평항 인근 해역을 대상으로 초분광 항공관측을 수행하였으며, 사전에 다양한 선박 갑판에 대한 분광 라이브러리를 구축하였다. 탐지 방법으로는 spectral correlation similarity (SCS) 기법을 사용하였으며 초분광 영상과 선박 스펙트럼 사이의 공간 유사도 분포를 분석하였다. 그 결과 초분광 영상에 존재하는 총 15개의 선박을 탐지하였으며 최대 유사도에 기반한 선박 갑판의 색상도 분류하였다. 탐지 선박들은 고해상도 digital mapping camera (DMC) 영상과의 매칭을 통해 검증하였다. 본 연구는 해상 선박탐지를 위한 항공 초분광 센서 활용의 기초로서 향후 원격탐사 기반의 선박 모니터링 시스템에 주요 역할을 할 것으로 기대된다.

Keywords

Acknowledgement

본 논문은 해양수산부 재원으로 선박해양플랜트연구소의 주요사업인 "초분광 원격탐사 기반 선박탐지 및 크기 추정 기술 개발"에 의해 수행되었습니다(PES5330). 또한 이 연구는 정부(과학기술정보통신부)의 재원으로 한국연구재단의 지원을 일부 받아 수행되었습니다(No. RS-2023-00208935).

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