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Proceedings Paper

Active imaging models and systems to see through adverse conditions: application to the surveillance of an aircraft environment
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Paper Abstract

Onera, the French Aerospace Lab, develops and models 2D and 3D active imaging systems to understand the relevant physical phenomena impacting on their performances. As a consequence, efforts have been done both on the propagation of a pulse through the atmosphere (scintillation and turbulence effects) and, on target geometries and their surface properties (radiometric and speckle effects). But these imaging systems must operate at night in all ambient illuminations and weather conditions in order to perform the strategic surveillance of the environment for various worldwide operations or to perform the enhanced navigation of an aircraft (A/C). Onera has implemented codes for 2D and 3D laser imaging systems. As we aim to image a scene even in the presence of rain, snow, fog or haze, Onera introduces such meteorological effects in these numerical models and compares simulated images with measurements provided by commercial imaging systems.

Paper Details

Date Published: 15 October 2012
PDF: 17 pages
Proc. SPIE 8512, Infrared Sensors, Devices, and Applications II, 85120X (15 October 2012);
Show Author Affiliations
Nicolas Riviere, ONERA (France)
Laurent Hespel, ONERA (France)
Erwan Bernard, ONERA (France)
Romain Ceolato, ONERA (France)
Bernard Tanguy, ONERA (France)

Published in SPIE Proceedings Vol. 8512:
Infrared Sensors, Devices, and Applications II
Paul D. LeVan; Ashok K. Sood; Priyalal S. Wijewarnasuriya; Arvind I. D'Souza, Editor(s)

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