NDLI: Accurate image expansion method for target buried in dielectric medium using multi-static UWB radar

Content Provider	IEEE Xplore Digital Library
Author	Niwa, Y. Kidera, S. Kirimoto, T.
Copyright Year	2012
Description	Author affiliation: Graduate School of Informatics and Engineering, University of Electro-Communications, Tokyo, Japan (Niwa, Y.; Kidera, S.; Kirimoto, T.)
Abstract	Ultra wideband (UWB) pulse radar has high dielectric permeability and range resolution, and it is thus promising for use in non-invasive imaging applications, such as non-destructive testing of pipes buried in soil or in a concrete wall, or tumor detection in early-stage breast cancer. Various imaging methods are available for near-field UWB radar systems, including synthetic aperture radar (SAR) [1], beam forming based imaging [2], time reversal focusing [3], and numerical solution of the domain integral equation with multi-dimensional optimization [4]. However, none of these methods accomplish a good performance balance between the amount of computation required and the desired accuracy or spatial resolution. As a solution to this difficulty, we have already proposed a fast and accurate imaging method [5] for targets buried in a dielectric medium based on the advanced principle of the range points migration (RPM) algorithm [6], which performs accurate surface extraction for targets in free space by using the group mapping from the range points (a set of antenna locations and observed ranges) to target surface points [5]. The method [6] first uses the boundary points of the dielectric medium and their normal vectors are accurately determined by RPM, and then the internal target points are reproduced by assessing the accumulation of potential target points by using a geometrical optics approximation. One notable feature of this method is that it enhances the imaging speed remarkably without use of a signal integration approach, and improves the accuracy of target boundary extraction to the order of 1/100 of a wavelength.
Starting Page	419
Ending Page	422
File Size	276298
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	Accuracy Imaging Radar imaging Dielectrics Ultra wideband radar Antennas Image reconstruction
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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