NDLI: Microwave imaging for breast cancer detection using Vivaldi antenna array

Content Provider	IEEE Xplore Digital Library
Author	Fan Yang Mohan, A.S.
Copyright Year	2012
Description	Author affiliation: Centre for Health Technologies, University of Technology, Sydney (UTS) (Fan Yang; Mohan, A.S.)
Abstract	The radar based UWB microwave imaging techniques have shown great potential for the localization of embedded dielectric targets in breast phantoms [1], [2]. In practical UWB microwave imaging systems, antennas play a key role in determining the characteristics of the received signals. The antennas behave as spatial-temporal filters as they have to radiate narrow pulses and thus the radiated signal may be distorted. Besides, the multipath effects and dispersion can also affect the reconstruction process. With this aim, in this paper, we investigate the effects of UWB antenna array on the image reconstruction for early stage breast cancer detection. A full-scale radar based microwave imaging system was reported in the literature that employed a small slot antenna with copper cage that was positioned into a hemispherical array to illuminate the breast [1]. Different types of horn antennas were also investigated for breast imaging [2], [3]. In this paper, we investigate the problem of breast tumor detection in an inhomogeneous breast phantom using a Vivaldi antenna array. We first investigate the experimental UWB characterization of the prototype-Vivaldi antenna element. Later, we perform FDTD simulations with a 7-element Vivaldi antenna array that is placed in a semi-circle arc around the numerical 3-D breast phantom. We employ the time-of-arrival calibration [6] and use the signal processing methods to reconstruct suspicious regions to localize the presence of tumor. We present results on image reconstruction using FDTD simulations.
Starting Page	479
Ending Page	482
File Size	194925
Page Count	4
File Format	PDF
ISBN	9781467310017
e-ISBN	9784885522703
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-29
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electronics, Information and Communication Engineers (IEICE)
Subject Keyword	Microwave antennas Vivaldi antennas Breast Microwave theory and techniques Arrays Microwave imaging
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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