eprintid: 736 rev_number: 9 eprint_status: archive userid: 4 dir: disk0/00/00/07/36 datestamp: 2017-06-22 07:20:17 lastmod: 2018-02-26 15:55:38 status_changed: 2017-06-22 07:20:17 type: monograph metadata_visibility: show creators_name: Salucci, M. creators_name: Poli, L. creators_name: Anselmi, N. creators_name: Massa, A. title: An Innovative Multi-Frequency PSO-Based Method for the Microwave Imaging of Buried Objects having Different Conductivities ispublished: pub subjects: AWC subjects: MEA full_text_status: public monograph_type: technical_report keywords: Ground Penetrating Radar (GPR), Inverse Scattering (IS), Multi-Frequency (MF), Particle Swarm Optimization (PSO), Stochastic Optimization, Wide-band Data, Iterative Multi Scaling Approach (IMSA) abstract: In this work, an innovative particle swarm optimization (PSO)-based microwave imaging approach is presented to solve the subsurface inverse scattering problem. The proposed MF-IMSA-PSO method integrates a customized PSO solver within a multi-scaling technique (i.e., the IMSA) in order to limit the ratio between problem unknowns and non-redundant data, mitigating the negative effects of both non-linearity and ill-posedness through the exploitation of progressively acquired information about the solution. Moreover, the inversion is performed by considering a multi-frequency (MF) solution strategy, by jointly processing several frequency components extracted from the spectrum of the measured data through ground penetrating radar (GPR). Some numerical results are shown in order to verify the effectiveness of the developed GPR microwave imaging technique when dealing with objects having a conductivity different from that of the hosting (lossy) soil. date: 2016 publisher: University of Trento referencetext: [1] P. Rocca, M. Benedetti, M. Donelli, D. Franceschini, and A. 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Massa, "Three-dimensional microwave imaging problems solved through an efficient multiscaling particle swarm optimization," IEEE Trans. Geosci. Remote Sensing, vol. 47, no. 5, pp. 1467-1481, May 2009. citation: Salucci, M. and Poli, L. and Anselmi, N. and Massa, A. (2016) An Innovative Multi-Frequency PSO-Based Method for the Microwave Imaging of Buried Objects having Different Conductivities. Technical Report. University of Trento. document_url: http://www.eledia.org/students-reports/736/1/An%20Innovative%20Multi%E2%80%90Frequency%20PSO%E2%80%90Based%20Method%20for%20the%20Microwave%20Imaging%20of%20Buried%20Objects%20having%20Different%20Conductivities.pdf