Reconstruction of Dielectric Objects from Amplitude - Only Data – Advantages and Open Problems of a Two-Step Multi-Resolution Strategy

In this report, a two step strategy for the inversion of amplitude-only data in microwave imaging applications is analyzed. At the first step of the proposed method, the illuminating source is synthesized according to a line sources model in order to compute the incident field in the investigation domain starting from the values available in the measurement domain. The second step is aimed at reconstructing the profile of the objects under test thanks to the iterative multi-scaling approach integrated with the Particle Swarm Optimizer, an effective evolutionary minimization technique. The reconstruction accuracy of the proposed phaseless retrieval strategy is analyzed using synthetic data concerned with a multiple scatterer configuration and successively further assessed inverting experimental data

[1]  G. Franceschetti,et al.  On the degrees of freedom of scattered fields , 1989 .

[2]  Anthony J. Devaney,et al.  Phase-retrieval and intensity-only reconstruction algorithms for optical diffraction tomography , 1993 .

[3]  Takashi Takenaka,et al.  Reconstruction algorithm of the refractive index of a cylindrical object from the intensity measurements of the total field , 1997 .

[4]  K. T. Mathew,et al.  ACTIVE MICROWAVE IMAGING FOR BREAST CANCER DETECTION , 2006 .

[5]  Chien-Ching Chiu,et al.  TIME DOMAIN INVERSE SCATTERING OF A TWO-DIMENSIONAL HOMOGENOUS DIELECTRIC OBJECT WITH ARBITRARY SHAPE BY PARTICLE SWARM OPTIMIZATION , 2008 .

[6]  Y. Rahmat-Samii,et al.  Particle swarm optimization in electromagnetics , 2004, IEEE Transactions on Antennas and Propagation.

[7]  Tommaso Isernia,et al.  Electromagnetic inverse scattering: Retrievable information and measurement strategies , 1997 .

[8]  Wei Chien,et al.  Inverse Scattering of an Un-Uniform Conductivity Scatterer Buried in a Three-Layer Structure , 2008 .

[9]  Manuel Benedetti,et al.  MORPHOLOGICAL PROCESSING OF ELECTROMAGNETIC SCATTERING DATA FOR ENHANCING THE RECONSTRUCTION ACCURACY OF THE ITERATIVE MULTI-SCALING APPROACH , 2008 .

[10]  Takashi Takenaka,et al.  Microwave Imaging of Electrical Property Distributions By a Forward-Backward Time-Stepping Method , 2000 .

[11]  C. Liao,et al.  Image Reconstruction of Arbitrary Cross Section Conducting Cylinder Using UWB Pulse , 2007 .

[12]  H M Hertz,et al.  Tunable differential interferometer for optical tomography. , 1989, Applied optics.

[13]  Alexey A. Vertiy,et al.  Subsurface Microwave Imaging By Using Angular Spectrum of Electromagnetic Field , 2002 .

[14]  Lorenzo Crocco,et al.  Inverse scattering from phaseless measurements of the total field on a closed curve. , 2004, Journal of the Optical Society of America. A, Optics, image science, and vision.

[15]  A. Massa,et al.  Computational approach based on a particle swarm optimizer for microwave imaging of two-dimensional dielectric scatterers , 2005, IEEE Transactions on Microwave Theory and Techniques.

[16]  Andrea Massa,et al.  Inversion of Phaseless Total Field Data Using a Two-Step Strategy Based on the Iterative Multiscaling Approach , 2006, IEEE Transactions on Geoscience and Remote Sensing.

[17]  Matteo Pastorino,et al.  Electromagnetic detection of dielectric scatterers using phaseless synthetic and real data and the memetic algorithm , 2003, IEEE Trans. Geosci. Remote. Sens..

[18]  Marc Saillard,et al.  Decomposition of the Time Reversal Operator for Electromagnetic Scattering , 1999 .

[19]  Xiao Dong Chen,et al.  Microwave Imaging 3-D Buried Objects Using Parallel Genetic Algorithm Combined With FDTD Technique , 2006 .

[20]  Marc Saillard,et al.  Retrieval of inhomogeneous targets from experimental frequency diversity data , 2005 .

[21]  A. Massa,et al.  LOCATION AND IMAGING OF TWO-DIMENSIONAL SCATTERERS BY USING A PARTICLE SWARM ALGORITHM , 2004 .

[22]  A. Massa,et al.  A new methodology based on an iterative multiscaling for microwave imaging , 2003 .

[23]  E. Wolf.  Determination of the Amplitude and the Phase of Scattered Fields by Holography , 1970 .

[24]  A. Massa,et al.  Detection, location, and imaging of multiple scatterers by means of the iterative multiscaling method , 2004, IEEE Transactions on Microwave Theory and Techniques.

[25]  Jian Li,et al.  Microwave Imaging Via Adaptive Beamforming Methods for Breast Cancer Detection , 2006 .

[26]  Marc Saillard,et al.  Special section on testing inversion algorithms against experimental data: inhomogeneous targets , 2005 .