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Proceedings Paper

Infrared active polarimetric imaging system controlled by image segmentation algorithms: application to decamouflage
Author(s): Nicolas Vannier; François Goudail; Corentin Plassart; Matthieu Boffety; Patrick Feneyrou; Luc Leviandier; Frédéric Galland; Nicolas Bertaux
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Paper Abstract

We describe an active polarimetric imager with laser illumination at 1.5 µm that can generate any illumination and analysis polarization state on the Poincar sphere. Thanks to its full polarization agility and to image analysis of the scene with an ultrafast active-contour based segmentation algorithm, it can perform adaptive polarimetric contrast optimization. We demonstrate the capacity of this imager to detect manufactured objects in different types of environments for such applications as decamouflage and hazardous object detection. We compare two imaging modes having different number of polarimetric degrees of freedom and underline the characteristics that a polarimetric imager aimed at this type of applications should possess.

Paper Details

Date Published: 4 May 2016
PDF: 12 pages
Proc. SPIE 9853, Polarization: Measurement, Analysis, and Remote Sensing XII, 98530C (4 May 2016); doi: 10.1117/12.2223066
Show Author Affiliations
Nicolas Vannier, Institut d'Optique, CNRS (France)
François Goudail, Institut d'Optique, CNRS (France)
Corentin Plassart, Institut d'Optique, CNRS (France)
Matthieu Boffety, Institut d'Optique, CNRS (France)
Patrick Feneyrou, Thales Research and Technology (France)
Luc Leviandier, Thales Research and Technology (France)
Frédéric Galland, Aix-Marseille Univ., CNRS (France)
Nicolas Bertaux, Aix-Marseille Univ., CNRS (France)

Published in SPIE Proceedings Vol. 9853:
Polarization: Measurement, Analysis, and Remote Sensing XII
David B. Chenault; Dennis H. Goldstein, Editor(s)

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