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GRANMA: Gradient Angle Model Algorithm on Wideband EMI Data for Land-Mine Detection

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3 Author(s)
Ramachandran, G. ; Dept. of Electr. & Comput. Eng., Univ. of Florida, Gainesville, FL, USA ; Gader, P.D. ; Wilson, J.N.

This letter presents a simple and fast algorithm to analyze wideband electromagnetic induction data for subsurface targets. A well-known four-parameter model is differentiated, resulting in a two-parameter model. A fast lookup table is used to find parameters as opposed to nonlinear optimization. The proposed approach provides a computationally faster way to reproduce the results of state-of-the-art methods. A detailed mathematical analysis of the model is given that describes the advantages and limitations of the proposed method.

Published in:

Geoscience and Remote Sensing Letters, IEEE  (Volume:7 ,  Issue: 3 )