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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
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 | ||||
| Journal or Publication Title: | Meetings on Acoustics. Proceedings | ||||
| Publisher: | Acoustical Society of America | ||||
| ISSN: | 1939-800X | ||||
| Official Date: | June 2013 | ||||
| Dates: |
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| 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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