NSMC for UXO discrimination in cases with overlapping signatures

F. Shubitidze; B. E. Barrowes; Kevin O'Neill; I. Shamatava; J. P. Fernández; K. Sun

doi:10.1117/12.720043

7 May 2007 NSMC for UXO discrimination in cases with overlapping signatures

F. Shubitidze, B. E. Barrowes, Kevin O'Neill, I. Shamatava, J. P. Fernández, K. Sun

Proceedings Volume 6553, Detection and Remediation Technologies for Mines and Minelike Targets XII; 65530F (2007) https://doi.org/10.1117/12.720043
Event: Defense and Security Symposium, 2007, Orlando, Florida, United States

Abstract

In this paper the normalized surface magnetic charge model (NSMC) is employed for discriminating objects of interest, such as unexploded ordnances (UXO), from innocuous items, in cases when UXO electromagnetic induction (EMI) responses are contaminated by signals from other objects or magnetically susceptible ground. The model is designed for genuine discrimination and it is a physically complete, fast, and accurate forward model for analyzing EMI scattering. In the NSMC the overall EMI inverse problem can be summarized as follows: first, for any primary magnetic field the scattered magnetic field at selected points outside the object is recorded; and second, using the scattered field information an object buried object location, orientation and the amplitude of the NSMC are estimated. Finally, the total NSMC is used as a discriminant for distinguishing between UXO and non-UXO items. To illustrate the applicability of the NSMC algorithm, blind test data, which are collected at Cold Regions Research and Engineering Laboratory facility for actually buried objects under different type soil, are processed and analyzed.

Citation Download Citation

F. Shubitidze, B. E. Barrowes, Kevin O'Neill, I. Shamatava, J. P. Fernández, and K. Sun "NSMC for UXO discrimination in cases with overlapping signatures", Proc. SPIE 6553, Detection and Remediation Technologies for Mines and Minelike Targets XII, 65530F (7 May 2007); https://doi.org/10.1117/12.720043

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