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Penetration of pyrotechnic effects with SWIR laser gated viewing in comparison to VIS and thermal IR bands

: Göhler, Benjamin; Lutzmann, Peter


Kamerman, G. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Electro-Optical Remote Sensing X : Edinburgh, United Kingdom, September 26, 2016
Bellingham, WA: SPIE, 2016 (Proceedings of SPIE 9988)
Paper 998805, 12 pp.
Conference "Electro-Optical Remote Sensing" <10, 2016, Edinburgh>
Conference Paper
Fraunhofer IOSB ()
laser gated-viewing; range-gating; active imaging; short-wavelength infrared; thermal infrared; pyrotechnic effects

In this paper, the potential capability of short-wavelength infrared laser gated-viewing for penetrating the pyrotechnic effects smoke and light/heat has been investigated by evaluating data from conducted field trials. The potential of thermal infrared cameras for this purpose has also been considered and the results have been compared to conventional visible cameras as benchmark. The application area is the use in soccer stadiums where pyrotechnics are illegally burned in dense crowds of people obstructing visibility of stadium safety staff and police forces into the involved section of the stadium. Quantitative analyses have been carried out to identify sensor performances. Further, qualitative image comparisons have been presented to give impressions of image quality during the disruptive effects of burning pyrotechnics.