By Jacqueline A. MacDonald, J. R. Lockwood
Analyzes the advantages and disadvantages of latest applied sciences in landmine detection and gives ideas for bettering and dashing up the method.
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Additional info for Alternatives for Landmine Detection
The methods, particularly thermal imaging, have been used in several prototype multisensor systems, but extreme variability in performance as a function of dynamic environmental characteristics has precluded their use for close-in detection and accurate identification of mine locations. Despite maturity of the sensor, the algorithms to process the signals in an informative way are relatively undeveloped and are not linked to physical phenomena. Thermal signatures currently are not well understood, and a comprehensive predictive model does not exist.
The poorest-performing detector found 11 percent of mines in the clay soil and 5 percent in the laterite soil. 6 percent. 6 SOURCE: J. McFee, Defence R&D Canada (based on data from CMAC 2000 briefing package, assuming three minutes per item for confirmation, neutralization, or digging). 1 Introduction 11 SOURCE: Das et al. (2001). , 2001). For each detector, the vertical bar depicts the number of targets detected for each configuration, along with the total number of false alarms. The bar on the far left is for a hypothetical detector with perfect performance.
The result would be a single, highly sensitive, and performance-optimized detection system that provides one specific signal to the operator. The Army countermine program currently is developing a dual-sensor system that combines separate electromagnetic induction (EMI) and ground-penetrating radar (GPR) technologies as part of a single operational platform known as the Handheld Standoff Mine Detection System (HSTAMIDS). However, HSTAMIDS does not use advanced signal processing. Rather, the operator receives two separate outputs: one from the EMI device and one from the GPR.