Nonlinear S-Parameters Inversion for Stroke Imaging

• Published in: IEEE transactions on microwave theory and techniques Vol. 69; no. 3; pp. 1760 - 1771
• Main Authors: Fedeli, Alessandro, Schenone, Valentina, Randazzo, Andrea, Pastorino, Matteo, Henriksson, Tommy, Semenov, Serguei
• Format: Journal Article
• Language: English
• Published: New York IEEE 01.03.2021; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Antenna measurements; Chambers; Dielectric properties; Dielectrics; Finite elements; Image reconstruction; Imaging; Incident radiation; Inhomogeneity; inverse problems; Lebesgue spaces; Mathematical model; Mathematical models; Microwave imaging; Microwave theory and techniques; Parameter identification; S-parameters; Scattering parameters; stroke imaging; Two dimensional models

Stroke identification by means of microwave tomography requires a very accurate reconstruction of the dielectric properties inside patient's head. This is possible when a precise measurement system is combined with a full nonlinear inversion method. In this article, the inversion of S-parameter...