This work assesses a hybrid calibration technique that uses together measured and simulated data to compensate modeling errors such as fabrication tolerances and positioning inaccuracies. Here, as a proof-of-concept, it is considered a virtual microwave imaging experiment of a human brain stroke condition. The test involves a full-wave software based on the finite element method and 3-D highly realistic system models, including a set of 24 monopoles immersed in a solid brick-shaped matching medium and a single-cavity anthropomorphic head phantom. The studied case shows that under favorable assumptions, the calibration procedure improves the quality of the retrieved images compared to the non-calibrated-kernel approach.

Hybrid Resolvent Kernel Calibration Technique for Microwave Imaging Systems / Rodriguez-Duarte, D. O.; Origlia, C.; Tobon, Jorge; Vipiana, F.. - ELETTRONICO. - (2021), pp. 2014-2015. (Intervento presentato al convegno 2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI) tenutosi a Singapore (Singapore) nel 4-10 Dec. 2021) [10.1109/APS/URSI47566.2021.9704044].

Hybrid Resolvent Kernel Calibration Technique for Microwave Imaging Systems

Rodriguez-Duarte, D. O.;Origlia, C.;Tobon, Jorge;Vipiana, F.
2021

Abstract

This work assesses a hybrid calibration technique that uses together measured and simulated data to compensate modeling errors such as fabrication tolerances and positioning inaccuracies. Here, as a proof-of-concept, it is considered a virtual microwave imaging experiment of a human brain stroke condition. The test involves a full-wave software based on the finite element method and 3-D highly realistic system models, including a set of 24 monopoles immersed in a solid brick-shaped matching medium and a single-cavity anthropomorphic head phantom. The studied case shows that under favorable assumptions, the calibration procedure improves the quality of the retrieved images compared to the non-calibrated-kernel approach.
2021
978-1-7281-4670-6
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/2958716