eprintid: 894 rev_number: 9 eprint_status: archive userid: 14 dir: disk0/00/00/08/94 datestamp: 2024-09-13 09:29:36 lastmod: 2024-09-13 09:29:36 status_changed: 2024-09-13 09:29:36 type: monograph metadata_visibility: show creators_name: OLIVERI, Giacomo creators_name: ANSELMI, Nicola creators_name: SALUCCI, Marco creators_name: POLI, Lorenzo creators_name: MASSA, Andrea creators_id: giacomo.oliveri@unitn.it creators_id: nicola.anselmi.1@unitn.it creators_id: marco.salucci@unitn.it creators_id: lorenzo.poli@unitn.it creators_id: andrea.massa@unitn.it title: Scattering Data Acquisition in Microwave Imaging Using Compressive Sampling Techniques ispublished: pub subjects: AWC subjects: MCS full_text_status: public monograph_type: technical_report keywords: Compressive Sensing, Inverse Scattering, Inverse Scattering (Free-space) abstract: This work focuses on the design of data acquisition systems for microwave imaging. Initially, the problem of scattering data collection is formulated within the framework of Compressive Sampling (CS). The resulting problem is addressed by minimizing the bound on the Restricted Isometry Constant (RIC) of the observation matrix, which mathematically models the acquisition system. To achieve this, a novel incoherence-based RIC bound is developed to account for the underlying physical properties of the microwave imaging setup. Numerical experiments are conducted to evaluate the information acquisition capabilities of the proposed method and to assess its impact on the performance of subsequent Compressive Sensing (CS)-based inversion, in comparison with traditional Nyquist–Shannon sampling techniques. date: 2024-09-13 publisher: ELEDIA Research Center - University of Trento referencetext: [1] M. Salucci, L. Poli, and G. 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Massa, “A multi-resolution technique based on shape optimization for the reconstruction of homogeneous dielectric objects,” Inverse Problems, vol. 25, no. 1, pp. 1-26, Jan. 2009. citation: OLIVERI, Giacomo and ANSELMI, Nicola and SALUCCI, Marco and POLI, Lorenzo and MASSA, Andrea (2024) Scattering Data Acquisition in Microwave Imaging Using Compressive Sampling Techniques. Technical Report. ELEDIA Research Center - University of Trento. document_url: http://www.eledia.org/students-reports/894/1/Scattering_Data_Acquisition_in_Microwave_Imaging_Using_Compressive_Sampling_Techniques.pdf