Microwave imaging is an emerging breast cancer diagnostic technique, which aims at complementing already established methods like mammography, magnetic resonance imaging, and ultrasound. It offers two striking advantages: no-risk for the patient and potential low-cost for national health systems. So far, however, the prototypes developed for validation in labs and clinics used costly lab instruments such as a vector network analyzer (VNA). Moreover, the CPU time required by complex image reconstruction algorithms may not be compatible with the duration of a medical examination. In this paper, both these issues are tackled. Indeed, we present a prototype system based on low-cost and off-the-shelf microwave components, custom-made antennas, and a small form-factor processing system with an embedded field-programmable gate array for accelerating the execution of the imaging algorithm. We show that our low-cost system can compete with an expensive VNA in terms of accuracy, and it is more than 20x faster than a high-performance server at image reconstruction.
A COTS-Based Microwave Imaging System for Breast-Cancer Detection / Casu, MARIO ROBERTO; Vacca, Marco; TOBON VASQUEZ, JORGE ALBERTO; Pulimeno, Azzurra; Sarwar, Imran; Solimene, Raffaele; Vipiana, Francesca. - In: IEEE TRANSACTIONS ON BIOMEDICAL CIRCUITS AND SYSTEMS. - ISSN 1932-4545. - STAMPA. - 11:4(2017), pp. 804-814.
|Titolo:||A COTS-Based Microwave Imaging System for Breast-Cancer Detection|
|Data di pubblicazione:||2017|
|Digital Object Identifier (DOI):||http://dx.doi.org/10.1109/TBCAS.2017.2703588|
|Appare nelle tipologie:||1.1 Articolo in rivista|
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