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IGMMDT: multisensor approach to mine detection

GEO-CENTERS has developed a ground mobile mine detection capability. It consists of a robust and viable multisensor vehicular testbed which can be deployed for integration and testing of current and future sensor technology as appropriate. The Integrated Ground Mobile Mine Detection Testbed (IGMMDT) system combines the capabilities of several sensors of diverse technologies, each of which has shown promise in mine detection, to provide an integrated approach to the problem in which the sensors supplement each other capabilities. The result is a broadening of the environmental and spatial ranges of detection, plus an increase in the speed of detection, location and area coverage. Integration of multiple sensors in an application of this type presents several predictable problems, not the least of which is the scoring, weighting and correlation of data from different sensors. Defining a common parameter set within which to integrate the sensor outputs and interpret the results is the primary problem. To get to this level, each sensor's output must be transformed into this common parameter set, which essentially means supplementing each sensor's output with enough additional processing as to make it an independent `smart sensor'. IGMMDT provides a convenient platform on which to develop integration techniques and processing methodologies usable in continuing sensor fusion.