Application of infrared uncooled cameras in surveillance systems

R. Dulski; J. Bareła; P. Trzaskawka; T. Piątkowski

doi:10.1117/12.2028507

25 October 2013 Application of infrared uncooled cameras in surveillance systems

R. Dulski, J. Bareła, P. Trzaskawka, T. Piątkowski

Proceedings Volume 8896, Electro-Optical and Infrared Systems: Technology and Applications X; 889617 (2013) https://doi.org/10.1117/12.2028507
Event: SPIE Security + Defence, 2013, Dresden, Germany

Abstract

The recent necessity to protect military bases, convoys and patrols gave serious impact to the development of multisensor security systems for perimeter protection. One of the most important devices used in such systems are IR cameras. The paper discusses technical possibilities and limitations to use uncooled IR camera in a multi-sensor surveillance system for perimeter protection. Effective ranges of detection depend on the class of the sensor used and the observed scene itself. Application of IR camera increases the probability of intruder detection regardless of the time of day or weather conditions. It also simultaneously decreased the false alarm rate produced by the surveillance system. The role of IR cameras in the system was discussed as well as technical possibilities to detect human being. Comparison of commercially available IR cameras, capable to achieve desired ranges was done. The required spatial resolution for detection, recognition and identification was calculated. The simulation of detection ranges was done using a new model for predicting target acquisition performance which uses the Targeting Task Performance (TTP) metric. Like its predecessor, the Johnson criteria, the new model bounds the range performance with image quality. The scope of presented analysis is limited to the estimation of detection, recognition and identification ranges for typical thermal cameras with uncooled microbolometer focal plane arrays. This type of cameras is most widely used in security systems because of competitive price to performance ratio. Detection, recognition and identification range calculations were made, and the appropriate results for the devices with selected technical specifications were compared and discussed.

Citation Download Citation

R. Dulski, J. Bareła, P. Trzaskawka, and T. Piątkowski "Application of infrared uncooled cameras in surveillance systems", Proc. SPIE 8896, Electro-Optical and Infrared Systems: Technology and Applications X, 889617 (25 October 2013); https://doi.org/10.1117/12.2028507

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