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8 May 2015 Protection performance evaluation regarding imaging sensors hardened against laser dazzling
Gunnar Ritt, Michael Koerber, Daniel Forster, Bernd Eberle
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Optical Engineering, Vol. 54, Issue 5, 053106 (May 2015). https://doi.org/10.1117/1.OE.54.5.053106
Abstract
Electro-optical imaging sensors are widely distributed and used for many different purposes, including civil security and military operations. However, laser irradiation can easily disturb their operational capability. Thus, an adequate protection mechanism for electro-optical sensors against dazzling and damaging is highly desirable. Different protection technologies exist now, but none of them satisfies the operational requirements without any constraints. In order to evaluate the performance of various laser protection measures, we present two different approaches based on triangle orientation discrimination on the one hand and structural similarity on the other hand. For both approaches, image analysis algorithms are applied to images taken of a standard test scene with triangular test patterns which is superimposed by dazzling laser light of various irradiance levels. The evaluation methods are applied to three different sensors: a standard complementary metal oxide semiconductor camera, a high dynamic range camera with a nonlinear response curve, and a sensor hardened against laser dazzling.
CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
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Gunnar Ritt, Michael Koerber, Daniel Forster, and Bernd Eberle "Protection performance evaluation regarding imaging sensors hardened against laser dazzling," Optical Engineering 54(5), 053106 (8 May 2015). https://doi.org/10.1117/1.OE.54.5.053106
Published: 8 May 2015
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Cited by 17 scholarly publications.
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KEYWORDS
Sensors
Cameras
Image sensors
CMOS cameras
Nonlinear response
Optical sensors
Detection and tracking algorithms
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