Ground penetration radar migration

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Even though ground penetrating radar has been well studied and applied by many researchers for the last couple of decades, the focusing problem in the measured GPR images is still a challenging task. This paper reviews the popular migration methods of the B-scan GPR imaging that have been widely accepted and applied by various researchers. The brief formulation and the algorithm steps for the hyperbolic summation, the Kirchhoff migration, the back-projection focusing, the phase-shift migration, and the - migration are presented. The main aim of the paper is to evaluate and compare the migration algorithms over different focusing methods such that the reader can decide which algorithm to use for a particular application of GPR. Both the simulated and the measured examples that are used for the performance comparison of the presented algorithms are provided. Other emerging migration methods are also pointed out.
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A Review on Migration Methods in B-Scan Ground Penetrating Radar Imaging

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Ground-penetrating radar data diffraction focusing without a velocity model | GEOPHYSICS

Ground penetrating radar GPR based land mine detection has a main challenge of having an accurate image analysis method that is capable of reducing false alarms. However this image analysis depends on having sufficient spatial resolution in the backscattered signal. This paper aims at getting better resolution by applying two migration algorithms. Ground penetrating radar GPR is widely used in detecting subsurface objects such as buried landmines. It is sensitive to changes in all three electromagnetic characteristics of the medium: namely the electric permittivity, electric conductivity and magnetic permeability. Depending on the application, different scanning schemes, namely, A-scan, B-scan, and C-scan, are being employed [ 1 ].
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Kirchhoff and F-K migration to focus ground penetrating radar images

Published in Mathematical Problems in Engineering in Even though ground penetrating radar has been well studied and applied by many researchers for the last couple of decades, the focusing problem in the measured GPR images is still a challenging task. This paper reviews the popular migration methods of the B-scan GPR imaging that have been widely accepted and applied by various researchers. The brief formulation and the algorithm steps for the hyperbolic summation, the Kirchhoff migration, the back-projection focusing, the phase-shift migration, and the omega-k migration are presented. The main aim of the paper is to evaluate and compare the migration algorithms over different focusing methods such that the reader can decide which algorithm to use for a particular application of GPR.
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