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19 November 2012 Identification of handheld objects and human activities in active and passive imaging
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The identification of human targets including their activities and handheld objects at range is a prime military and security capability. We have investigated this capability using active and passive imaging for video cameras, and sensors operating in the NIR and SWIR regions. For a limited data set we also compare sensor imagery from visible, NIR and SWIR sensors with that from a thermal imaging camera. The target recognition performance is studied vs. the gate position relative to the target, target range, turbulence conditions and target movement. A resolution chart is also included in the scene. The performance results from observer tests are compared with models and discussed from a system perspective.
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Ove Steinvall, Magnus Elmqvist, and Tomas Chevalier "Identification of handheld objects and human activities in active and passive imaging", Proc. SPIE 8542, Electro-Optical Remote Sensing, Photonic Technologies, and Applications VI, 854206 (19 November 2012);

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