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Security screening using ultrasound

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Hutchins, David A., Davis, Lee A. J. and Tsen, Sheldon (2013) Security screening using ultrasound. In: ICA 2013 , Montreal, Canada, 2-7 Jun 2013. Published in: Meetings on Acoustics. Proceedings, Volume 19 (Number 1). 055033. ISSN 1939-800X. doi:10.1121/1.4799225

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Official URL: http://dx.doi.org/10.1121/1.4799225

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Abstract

This work will demonstrate that it is possible to produce images of hidden objects, using ultasound transmitted through air. For example, it can be shown that a knife can be imaged, when hidden behind a layer of clothing fabric. To achieve this, it is necessary to use coded waveforms and signal recovery techniques, in order to retrieve small signals in the presence of a much larger reflection from the outer fabric surface. In addition, ultrasound can be used in through-transmission to detect hidden objects within thin packages. This and other examples of the use of air-coupled ultrasound for security work will be demonstrated.

Item Type: Conference Item (Paper)
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
Journal or Publication Title: Meetings on Acoustics. Proceedings
Publisher: Acoustical Society of America
ISSN: 1939-800X
Official Date: June 2013
Dates:
DateEvent
June 2013Published
Volume: Volume 19
Number: Number 1
Page Range: 055033
DOI: 10.1121/1.4799225
Status: Peer Reviewed
Publication Status: Published
Conference Paper Type: Paper
Title of Event: ICA 2013
Type of Event: Conference
Location of Event: Montreal, Canada
Date(s) of Event: 2-7 Jun 2013

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