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000059096 0247_ $$2DOI$$a10.1109/TGRS.2006.888136
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000059096 084__ $$2WoS$$aGeochemistry & Geophysics
000059096 084__ $$2WoS$$aEngineering, Electrical & Electronic
000059096 084__ $$2WoS$$aRemote Sensing
000059096 1001_ $$0P:(DE-HGF)0$$aLopera, O.$$b0
000059096 245__ $$aFiltering Soil Surface and Antenna Effects From GPR Data to Enhance Landmine Detection
000059096 260__ $$aNew York, NY$$bIEEE$$c2007
000059096 300__ $$a707 - 717
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000059096 440_0 $$017961$$aIEEE Transactions on Geoscience and Remote Sensing$$v45$$x0196-2892$$y3
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000059096 520__ $$aThe detection of antipersonnel landmines using ground-penetrating radar (GPR) is particularly hindered by the predominant soil surface and antenna reflections. In this paper, we propose a novel approach to filter out these effects from 2-D off-ground monostatic GPR data by adapting and combining the radar antenna subsurface model of Lambot et al. with phase-shift migration. First, the antenna multiple reflections originating from the antenna itself and from the interaction between the antenna and the ground are removed using linear transfer functions. Second, a simulated Green's function accounting for the surface reflection is subtracted. The Green's function is derived from the estimated soil surface dielectric permittivity using full-wave inversion of the radar signal for a measurement taken in a local landmine-free area. Third, off-ground phase-shift migration is performed on the 2-D data to filter the effect of the antenna radiation pattern. We validate the approach in laboratory conditions for four differently detectable landmines embedded in a sandy soil. Compared to traditional background subtraction, this new filtering method permits a better differentiation of the landmine and estimation of its depth and geometrical properties. This is particularly beneficial for the detection of landmines in low-contrast conditions.
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000059096 65320 $$2Author$$aclutter reduction
000059096 65320 $$2Author$$aground-penetrating radar (GPR)
000059096 65320 $$2Author$$ainverse modeling
000059096 65320 $$2Author$$alandmine detection
000059096 65320 $$2Author$$aphase-shift migration
000059096 7001_ $$0P:(DE-HGF)0$$aSlob, E. C.$$b1
000059096 7001_ $$0P:(DE-HGF)0$$aMilisavljevic, N.$$b2
000059096 7001_ $$0P:(DE-Juel1)VDB54976$$aLambot, S.$$b3$$uFZJ
000059096 773__ $$0PERI:(DE-600)2027520-1$$a10.1109/TGRS.2006.888136$$gVol. 45, p. 707 - 717$$p707 - 717$$q45<707 - 717$$tIEEE transactions on geoscience and remote sensing$$v45$$x0196-2892$$y2007
000059096 8567_ $$uhttp://dx.doi.org/10.1109/TGRS.2006.888136
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000059096 9131_ $$0G:(DE-Juel1)FUEK407$$bErde und Umwelt$$kP24$$lTerrestrische Umwelt$$vTerrestrische Umwelt$$x0
000059096 9141_ $$y2007
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