Wearable Microwave Imaging System for Brain Stroke Imaging

D. Rodriguez-Duarte, C. Origlia, J. T. Vásquez, R. Scapaticci, L. Crocco, F. Vipiana
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Abstract

This paper presents the experimental validation of the detection capabilities of a low complexity wearable system designed for the imaging-based detection of brain stroke. The system approaches the electromagnetic inverse problem via a 3-D imaging algorithm based on the Born approximation and the Truncated Singular Value Decomposition (TSVD). For testing, flexible antennas with custom-made coupling-medium are prototyped and assessed in mimicked hemorrhagic and ischemic stroke conditions. The experiment emulates the clinical scenario using a single-tissue anthropomorphic head phantom and strokes with both 20 cm3 and 60 cm3 ellipsoid targets. The imaging kernel is computed via full-wave simulation of a virtual twin model. The results demonstrate the capabilities for detecting and estimating the stroke-affected area.
用于脑卒中成像的可穿戴微波成像系统
本文对一种低复杂度可穿戴脑卒中成像检测系统的检测能力进行了实验验证。该系统采用基于玻恩近似和截断奇异值分解(TSVD)的三维成像算法求解电磁反演问题。为了测试,采用定制耦合介质的柔性天线进行了原型设计,并在模拟出血性和缺血性中风的情况下进行了评估。该实验使用单组织拟人化头部幻影和20 cm3和60 cm3椭球靶来模拟临床场景。通过虚拟孪生模型的全波仿真计算成像核。结果表明,该方法具有检测和估计脑卒中影响区域的能力。
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