15 October 2005 Dual-band infrared camera
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Abstract
Every year, numerous accidents happen on European roads due to bad visibility (fog, night, heavy rain). Similarly, the dramatic aviation accidents of year 2001 in Milan and Zurich have reminded us that aviation safety is equally affected by reduced visibility. A dual-band thermal imager was developed in order to raise human situation awareness under conditions of reduced visibility especially in the automotive and aeronautical context but also for all transportation or surveillance tasks. The chosen wavelength bands are the Short Wave Infrared SWIR and the Long Wave Infrared LWIR band which are less obscured by reduced visibility conditions than the visible band. Furthermore, our field tests clearly show that the two different spectral bands very often contain complementary information. Pyramidal fusion is used to integrate complementary and redundant features of the multi-spectral images into a fused image which can be displayed on a monitor to provide more and better information for the driver or pilot.
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H. Vogel, H. Vogel, H. Schlemmer, H. Schlemmer, } "Dual-band infrared camera", Proc. SPIE 5964, Detectors and Associated Signal Processing II, 59640S (15 October 2005); doi: 10.1117/12.625180; https://doi.org/10.1117/12.625180
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