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Proceedings Paper

Threat image projection in CCTV
Author(s): David Neil; Nicola Thomas; Bob Baker
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Paper Abstract

Operators are key components in a Closed Circuit Television (CCTV) system, being the link between the system technology and its effective use. Operators' performance will largely determine the level of service provided by the system. There have been few studies testing operator performance, while much work has been done to test the performance of the technology. Previous work on CCTV operator performance carried out by the Home Office Scientific Development Branch (HOSDB) has used filmed video and subjects who knew they were undergoing testing, meaning subjects are likely to be concentrating harder on performing well. HOSDB believes that there is a need for a test that would be able to be routinely used in a CCTV control room throughout the course of a normal shift to provide management with operational performance data. Threat Image Projection (TIP) is routinely used in X-Ray baggage scanners to keep operators alert to possible threats. At random intervals, a threat target image is superimposed over the image of the baggage being screened. The operator then responds to this threat. A similar system could be used for CCTV operators. A threat image would be randomly superimposed over the live CCTV feed and the operator would be expected to respond to this.

Paper Details

Date Published: 8 October 2007
PDF: 9 pages
Proc. SPIE 6741, Optics and Photonics for Counterterrorism and Crime Fighting III, 674102 (8 October 2007); doi: 10.1117/12.731226
Show Author Affiliations
David Neil, Home Office Scientific Development Branch (United Kingdom)
Nicola Thomas, Home Office Scientific Development Branch (United Kingdom)
Bob Baker, Home Office Scientific Development Branch (United Kingdom)


Published in SPIE Proceedings Vol. 6741:
Optics and Photonics for Counterterrorism and Crime Fighting III
Colin Lewis, Editor(s)

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