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Range-Doppler Map generating simulator for ship detection and tracking research using compact HF radar

콤팩트 HF 레이더를 이용한 선박 검출 및 추적 연구를 위한 Range-Doppler Map 생성 시뮬레이터

  • 이영로 (고려대학교 전기전자공학과) ;
  • 박상욱 (고려대학교 전기전자공학과) ;
  • 이상호 (군산대학교 해양학과) ;
  • 고한석 (고려대학교 전기전자공학과)
  • Received : 2016.10.10
  • Accepted : 2017.04.27
  • Published : 2017.05.25

Abstract

Due to the merit of having wide range with low cost, HF radar's ship detection and tracking research as maritime surveillance system has been recently studied. Many ship detection and tracking algorithms have been developed so far, however, performance comparison cannot be conducted properly because the states of target ships (such as moving path, size, etc.) differ from each study. In this paper, we propose a simulator based on compact HF radar, which generates data according to the size and moving path of target ship. Given the generated data with identical ship state, it is possible to conduct performance comparison. In order to validate the proposed simulator, the simulated data has been compared with real data collected by the SeaSonde HF radar sites. As a result, it has been shown that our simulated data resembles the real data. Therefore, the performance of various detection or tracking algorithms can be compared and analyzed respectively by using our simulated data.

낮은 비용으로 넓은 관측 범위를 갖는다는 장점으로 최근 해양 감시 시스템 개발을 위해 HF 레이더를 이용한 선박 검출 및 추적 연구가 수행되고 있다. HF 레이더를 이용한 해양 감시를 위해 수많은 선박 관측과 추적 알고리즘이 개발되었지만, 각 연구에 사용된 데이터는 선박의 이동 경로와 크기 등 대상 선박에 대한 조건이 다르기 때문에 동등한 조건에서 그 성능을 비교할 수 없다. 본 논문에서는 선박 크기와 이동 경로에 따른 데이터를 생성할 수 있는 콤팩트 HF 레이더 기반 데이터 생성 시뮬레이터를 제안한다. 이를 통해 생성된 데이터를 이용하면 동일한 선박 조건에서 성능 비교가 가능할 것이다. 실험에서는 제안하는 시뮬레이터에서 생성된 데이터와 SeaSonde HF 레이더 사이트에서 실제 관측된 데이터를 비교하였다. 비교 결과, 제안하는 시뮬레이터를 사용하여 생성된 데이터와 실제 환경에서 획득된 데이터가 유사함을 확인할 수 있었다. 그러므로 선박의 크기 및 이동 경로에 따라 생성된 시뮬레이션 데이터를 사용함으로써, 알고리즘의 검출 및 추적 성능을 각각 비교, 분석 할 수 있을 것이다.

Keywords

References

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