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A multi-sensor approach to buried object discrimination has been developed by Coleman Research Corporation (CRC) as a practical successor to currently prevalent metal detectors. The CRC multi-sensor unit integrates with and complements standard metal detectors to enable the detection of low-metallic and non-metallic anti-tank and anti-personnel mines as well as the older metallic-jacketed mines. The added sensors include Ground Penetration Radar (GPR) and Infrared (IR). The GPR consists of a lightweight (< 1 LB) snap on antenna unit, a belt attached electronics unit (< 5 LB) and batteries. The JR consists of a lightweight (<3 LB) head mounted camera, a heads-up virtual display, and a belt attached processing unit (Figure 1.1). The output from Automatic Target Recognition algorithms provide the detection of metallic and non-metallic mines in realtime on the JR display and as an audio alert from the GPR and MD.

The measurement results from the Technology Assessment for the Close-in Man Portable Mine Detection (CIMMD) program at Fort A. INTRODUCTIONCRC was contracted by the US Army to design, fabricate, and test a ground penetrating radar (GPR) system for detecting buried ordnance and mines. The first phase of the program was to develop a brassboard version of the HBO-MD5 to be tested during a government-supervised blind test at Fort A.P. Hill. The brassboard HBO-MDS is a man-portable backpack system that consists of an antenna sensor head attached to a lightweight wand assembly and an enclosure compartment that includes an RF section and a digital processing section.The blind tests were conducted in June 1994 over nine mine lanes located in native Virginia clay soil (Table 1). Five lanes were located in a mowed grassy field; the remaining four lanes were located in a wooded area on a dirt road. Metallic and non-metallic anti-personnel (AP) and anti-tank (AT) mines were placed in the mine lanes. CRC's HBO-MDS is based on a CRC mine detection system previously developed for the Defense AdvancedResearch Projects Agency (DARPA) in conjunction with Fort Belvoir. The HBO-MDS reflects a significant reduction in size and weight, and superior processing algorithms over the DARPA-sponsored mine detection system. The next phase of the HBO-MDS is to refine the brassboard design and deliver three prototype units to the US Army. These systems will be smaller in both size and weight compared to the brassboard system and will be battery powered. The three prototype systems will be tested in May 1995 during an Advanced Technology Demonstration (ATD) field test. 76 ISPIE Vol. 2496 Q-8194-1852-8/95/$6.OQ Downloaded From: http://proceedings.spiedigitallibrary.org/ on 06/26/2016 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx