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Proceedings Paper

Application of covert illumination to intrusion surveillance, assessment, and detection
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Paper Abstract

Covert illumination is an important element in providing surveillance, detection, and assessment for security applications. IR illumination is increasingly providing this function; however, conventional filament-based illuminators have limited performance and life. A new variety of light emitting diode (LED) illuminators is described that provides long life at low power. A further advance is to use a planar array of LED's with lenses to optimize the uniformity of scene illumination and maximize the illumination range. Modern CCD cameras have an inherently high IR sensitivity so are well matched to work with this illumination. Further enhancements are to integrate the combination of low-light camera and LED illuminator in a discrete column type package to make the overall illumination and assessment system unobtrusive. Finally, these components can be further combined with automated assessment aids to turn the surveillance device into a true detection sensor that can operate stand-alone without active personnel monitoring. A review of the major IR design considerations is included, along with several examples of systems to illustrate potential applications.

Paper Details

Date Published: 30 May 1995
PDF: 9 pages
Proc. SPIE 2497, Public Safety/Law Enforcement Technology, (30 May 1995); doi: 10.1117/12.210493
Show Author Affiliations
Melvin C. Maki, Senstar Corp. (Canada)
Stefan Scherbarth, Daimier-Benz Aerospace (Germany)


Published in SPIE Proceedings Vol. 2497:
Public Safety/Law Enforcement Technology
Raymond J. Mataloni; Raymond D. Mintz, Editor(s)

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