A Low Cost and Portable Microwave Imaging System for Breast Tumor Detection Using UWB Directional Antenna array

M. T. Islam, M. Z. Mahmud, M. Tarikul Islam, S. Kibria, M. Samsuzzaman

Research output: Contribution to journalArticle

Abstract

Globally, breast cancer is a major reason for female mortality. Due to the limitations of current clinical imaging, the researchers are encouraged to explore alternative and complementary tools to available techniques to detect the breast tumor in an earlier stage. This article outlines a new, portable, and low-cost microwave imaging (MWI) system using an iterative enhancing technique for breast imaging. A compact side slotted tapered slot antenna is designed for microwave imaging. The radiating fins of tapered slot antenna are modified by etching nine rectangular side slots. The irregular slots on the radiating fins enhance the electrical length as well as produce strong directive radiation due to the suppression of induced surface currents that radiate vertically at the outer edges of the radiating arms with end-fire direction. It has remarkable effects on efficiency and gain. With the addition of slots, the side-lobe levels are reduced, the gain of the main-lobe is increased and corrects the squint effects simultaneously, thus improving the characteristics of the radiation. For experimental validation, a heterogeneous breast phantom was developed that contains dielectric properties identical to real breast tissues with the inclusion of tumors. An alternative PC controlled and microcontroller-based mechanical MWI system is designed and developed to collect the antenna scattering signal. The radiated backscattered signals from the targeted area of the human body are analyzed to reveal the changes in dielectric properties in tissues. The dielectric constants of tumorous cells are higher than that of normal tissues due to their higher water content. The remarkable deviation of the scattered field is processed by using newly proposed Iteratively Corrected Delay and Sum (IC-DAS) algorithm and the reconstruction of the image of the phantom interior is done. The developed UWB (Ultra-Wideband) antenna based MWI has been able to perform the detection of tumorous cells in breast phantom that can pave the way to saving lives.

Original languageEnglish
Article number15491
JournalScientific reports
Volume9
Issue number1
DOIs
Publication statusPublished - 1 Dec 2019

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Microwaves
Breast
Breast Neoplasms
Costs and Cost Analysis
Radiation
Computer-Assisted Image Processing
Strabismus
Human Body
Arm
Research Personnel
Mortality
Water
Neoplasms

ASJC Scopus subject areas

  • General

Cite this

A Low Cost and Portable Microwave Imaging System for Breast Tumor Detection Using UWB Directional Antenna array. / Islam, M. T.; Mahmud, M. Z.; Islam, M. Tarikul; Kibria, S.; Samsuzzaman, M.

In: Scientific reports, Vol. 9, No. 1, 15491, 01.12.2019.

Research output: Contribution to journalArticle

Islam, M. T. ; Mahmud, M. Z. ; Islam, M. Tarikul ; Kibria, S. ; Samsuzzaman, M. / A Low Cost and Portable Microwave Imaging System for Breast Tumor Detection Using UWB Directional Antenna array. In: Scientific reports. 2019 ; Vol. 9, No. 1.
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