A new technique for microwave imaging of three-dimensional dielectric targets is presented in this paper. The underlying inverse scattering problem is solved by using a multi-resolution strategy, able to iteratively focus the inversion on the regions containing the targets, combined with an efficient regularization procedure based on an inexact-Newton algorithm. Some preliminary results and comparisons with existing techniques are reported.
Multi-focusing inexact-Newton method for three-dimensional microwave imaging
FEDELI, ALESSANDRO;RANDAZZO, ANDREA
2015-01-01
Abstract
A new technique for microwave imaging of three-dimensional dielectric targets is presented in this paper. The underlying inverse scattering problem is solved by using a multi-resolution strategy, able to iteratively focus the inversion on the regions containing the targets, combined with an efficient regularization procedure based on an inexact-Newton algorithm. Some preliminary results and comparisons with existing techniques are reported.
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