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Progress In Electromagnetics Research
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INVERSE SCATTERING OF THREE-DIMENSIONAL PEC OBJECTS USING THE LEVEL-SET METHOD

By M. R. Hajihashemi and M. El-Shenawee

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Abstract:
A 3D shape reconstruction algorithm for multiple PEC objects immersed in air is presented. The Hamilton-Jacobi PDE is solved in the entire computational domain with employing the marching cubes method to retrieve the evolving objects. The method of moment surface integral equation is used as the forward solver. An appropriate form of the deformation velocity, based on the forward and adjoint fields, is implemented to minimize the mismatch between the reference and evolving objects. The inversion algorithm showed good shape reconstruction results even using limited view data or noise corrupted data down to SNR of 5 dB.

Citation:
M. R. Hajihashemi and M. El-Shenawee, "Inverse Scattering of Three-Dimensional PEC Objects Using the Level-Set Method," Progress In Electromagnetics Research, Vol. 116, 23-47, 2011.
doi:10.2528/PIER11012304
http://www.jpier.org/PIER/pier.php?paper=11012304

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