Test and evaluation of Japanese GPR-EMI dual-sensor systems at Benkovac Test Site in Croatia

J. Ishikawa; K. Furuta; Nikola Pavković

doi:10.1117/12.719075

7 May 2007 Test and evaluation of Japanese GPR-EMI dual sensor systems at Benkovac test site in Croatia

J. Ishikawa, K. Furuta, Nikola Pavković

Proceedings Volume 6553, Detection and Remediation Technologies for Mines and Minelike Targets XII; 65531E (2007) https://doi.org/10.1117/12.719075
Event: Defense and Security Symposium, 2007, Orlando, Florida, United States

Abstract

This paper presents an experimental design and the evaluation result of a trial that were carried out from 1 February to 9 March 2006 using real PMA-1A and PMA-2 landmines at the Benkovac test site in Croatia. The objective of the Croatia- Japan joint trial is to evaluate dual sensor systems, which use both ground penetrating radar (GPR) and electromagnetic inductive (EMI) sensors. A comparative trial was also carried out by Croatian deminers using an existing EMI sensor, i.e., a metal detector (MD). The trial aims at evaluating differences in performance between dual sensors and MDs, especially in terms of discrimination of landmines from metal fragments and extension of detectable range in the depth direction. Devices evaluated here are 4 prototypes of anti-personnel landmine detection systems developed under a project of the Japan Science and Technology Agency (JST), the supervising authority of which is the Ministry of Education, Culture, Sports, Science and Technology (MEXT). The prototypes provide operators with subsurface images, and final decision whether a shadow in the image is a real landmine or not is left to the operator. This is similar to the way that medical doctors find cancer by reading CT images. Since operators' pre-knowledge of locations of buried targets significantly influences the test result, three test lanes, which have 3 different kinds of soils, have been designed to be suitable for blind tests. The result showed that the dual sensor systems have a potential to discriminate landmines from metal fragments and that probability of detection for small targets in mineralized soils can be improved by using GPR.

Citation Download Citation

J. Ishikawa, K. Furuta, and Nikola Pavković "Test and evaluation of Japanese GPR-EMI dual sensor systems at Benkovac test site in Croatia", Proc. SPIE 6553, Detection and Remediation Technologies for Mines and Minelike Targets XII, 65531E (7 May 2007); https://doi.org/10.1117/12.719075

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