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J. Electromagn. Eng. Sci > Volume 12(1); 2012 > Article
Journal of the Korean Institute of Electromagnetic and Science 2012;12(1):55-62.
DOI: https://doi.org/10.5515/JKIEES.2012.12.1.55   
ALIS : GPR System for Humanitarian Demining and Its Deployment in Cambodia
Motoyuki Sato, Yuya Yokota, Kazunori Takahashi
Center for Northeast Asian Studies, Tohoku University
Humanitarian demining is very important issue not only in mine affected courtiers but also for the courtiers which are technically, politically and financially supporting the mine affected courtiers. In order to achieve higher efficiency of the mine clearance operation, new technologies can significantly contribute to the societies. Since 2002, Tohoku University, Japan has developed a sensor system "ALIS" for humanitarian demining. ALIS is a hand-held dual sensor, which combines an electromagnetic induction sensor (EMI) and a Ground Penetrating Radar (GPR). ALIS has a real-time sensor tracking system based on a CCD camera and which enables the image reconstruction. We have tested ALIS in Cambodia and found that it can eliminate more than 70 % metal fragments. Since 2009, 2 sets of ALIS have detected more than 80 anti-personnel mines, and cleared more than 137,000 $m^2$ in Cambodia.
Key words: Humanitarian Demining, GPR, Dual Sensor, Sensor Tracking, Signal Processing
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