Display of an analytical model for backscattered luminance and a full-field range gated imaging system for vision in fog

E. Belin; F. Christnecher; F. Taillade; M. Laurenzis

doi:10.1117/12.798928

25 August 2008 Display of an analytical model for backscattered luminance and a full-field range gated imaging system for vision in fog

E. Belin, F. Christnecher, F. Taillade, M. Laurenzis

Author Affiliations +

Proceedings Volume 7088, Remote Sensing Applications for Aviation Weather Hazard Detection and Decision Support; 70880O (2008) https://doi.org/10.1117/12.798928
Event: Optical Engineering + Applications, 2008, San Diego, California, United States

Abstract

Vision through diuse media (fog, rain, smoke, snow, etc) is a large problem due to interactions between light and particles composing the medium. In this paper, one focuses particulary on scattering media as fog. Therefore, an analytical model for the determination of backscattered luminance induced by fog is described here. The model is based on the Mie's theory and takes the optical device geometry into account. An analysis of its resulst leads to several conclusions. The most notable and obvious one is that eliminate backscattering light is necessary to have good-contrasted images. Starting from this premise, one presents here a range-gated active imaging system enable to perform a temporal selection between backscattering pollution and photons holding optical information.

Citation Download Citation

E. Belin, F. Christnecher, F. Taillade, and M. Laurenzis "Display of an analytical model for backscattered luminance and a full-field range gated imaging system for vision in fog", Proc. SPIE 7088, Remote Sensing Applications for Aviation Weather Hazard Detection and Decision Support, 70880O (25 August 2008); https://doi.org/10.1117/12.798928

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