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- W2077465068 abstract "Covert illumination is an important element in providing surveillance, detection, and assessment for securityapplications. IR illumination is increasingly providing this function; however, conventional filament-based illuminatorshave limited performance and life. A new variety of light emitting diode (LED) iluminators is described that provides longlife at low power. A further advance is to use a planar array of LED's with lenses to optimize the uniformity of sceneillumination and maximize the illumination range. Modem CCD cameras have an inherently high IR sensitivity so are wellmatched to work with this illumination. Further enhancements are to integrate the combination oflow-light camera andLED ifiuminator 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 intoa true detection sensor that can operate stand-alone without active personnel monitoring. A review of the major IR designconsiderations is included, along with several examples of systems to illustrate potential applications.Keywords: LED IR Illuminator, Covert Survefflance & Assessment, Video Intrusion Detection Sensors." @default.
- W2077465068 created "2016-06-24" @default.
- W2077465068 creator A5019783296 @default.
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- W2077465068 date "1995-05-30" @default.
- W2077465068 modified "2023-09-23" @default.
- W2077465068 title "<title>Application of covert illumination to intrusion surveillance, assessment, and detection</title>" @default.
- W2077465068 cites W1965108757 @default.
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- W2077465068 doi "https://doi.org/10.1117/12.210493" @default.
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