Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Development of X-Ray Array Detector Signal Processing System

X-Ray 어레이 검출 모듈 신호처리 시스템 개발

  • Lim, Ik-Chan (Department of Bio Medical Engineering, Ajou University) ;
  • Park, Jong-Won (Korea Research Institute of Ships & Ocean Engineering) ;
  • Kim, Young-Kil (Department of Electronic Engineering, Ajou University) ;
  • Sung, So-Young (Korea Research Institute of Ships & Ocean Engineering)
  • Received : 2019.08.07
  • Accepted : 2019.08.20
  • Published : 2019.10.31
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Abstract

Since the 9·11 terror attack in 2001, the Maritime Logistics Security System has been strengthened and required X-ray image for every imported cargos from manufacturing countries to United States. For scanning cargos, the container inspection systems use high energy X-rays for examination of contents of a container to check the nuclear, explosive, dangerous and illegal materials. Nowadays, the X-ray cargo scanners are established and used by global technologies for inspection of suspected cargos in the customs agency but these technologies have not been localized and developed sufficiently. In this paper, we propose the X-ray array detector system which is a core component of the container scanning system. For implementation of X-ray array detector, the analog and digital signal processing units are fabricated with integrated hardware, FPGA logics and GUI software for real-time X-ray images. The implemented system is superior in terms of resolution and power consumption compared to the existing products currently used in ports.

9.11 테러 이후 미국을 비롯한 선진국들의 해운물류 안전 보안체계가 크게 강화되었다. 해운물류의 검색에는 강력한 방사선을 투과하여 컨테이너의 내부를 확인하는 컨테이너 검색기 시스템을 주로 사용하는데, 국내에서는 전량 도입품을 적용하여 운용 중이며 국산화 개발에 대한 요구가 증가하고 있다. 이에 본 논문에서는 컨테이너 검색기 시스템의 핵심 구성요소인 X-Ray 어레이 검출 모듈 신호처리 시스템을 개발하여 제안한다. 아날로그 및 디지털 신호처리부를 통합형 하드웨어로 제작하였으며, X-선 데이터의 실시간 수집과 분석을 위해 FPGA 로직과 소프트웨어를 구현하여 시험하였다. 구현된 시스템은 기존 항만에서 사용되는 도입품 대비 해상도와 소비전력 면에서 우세하다.

Keywords

Acknowledgement

This research was supported by a grant from National R&D Project "Research on fundamental core technology for ubiquitous shipping and logistics" funded by Ministry of Oceans and Fisheries, Korea.

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