21 October 2016 Electro-optical muzzle flash detection
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Localizing a shooter in a complex scenario is a difficult task. Acoustic sensors can be used to detect blast waves. Radar technology permits detection of the projectile. A third method is to detect the muzzle flash using electro-optical devices. Detection of muzzle flash events is possible with focal plane arrays, line and single element detectors. In this paper, we will show that the detection of a muzzle flash works well in the shortwave infrared spectral range. Important for the acceptance of an operational warning system in daily use is a very low false alarm rate. Using data from a detector with a high sampling rate the temporal signature of a potential muzzle flash event can be analyzed and the false alarm rate can be reduced. Another important issue is the realization of an omnidirectional view required on an operational level. It will be shown that a combination of single element detectors and simple optics in an appropriate configuration is a capable solution.
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Jürgen Krieg, Jürgen Krieg, Christian Eisele, Christian Eisele, Dirk Seiffer, Dirk Seiffer, "Electro-optical muzzle flash detection", Proc. SPIE 9987, Electro-Optical and Infrared Systems: Technology and Applications XIII, 99870A (21 October 2016); doi: 10.1117/12.2240777; https://doi.org/10.1117/12.2240777

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