Infrared active polarimetric imaging system controlled by image segmentation algorithms: application to decamouflage

Nicolas Vannier; François Goudail; Corentin Plassart; Matthieu Boffety; Patrick Feneyrou; Luc Leviandier; Frédéric Galland; Nicolas Bertaux

doi:10.1117/12.2223066

4 May 2016 Infrared active polarimetric imaging system controlled by image segmentation algorithms: application to decamouflage

Nicolas Vannier, François Goudail, Corentin Plassart, Matthieu Boffety, Patrick Feneyrou, Luc Leviandier, Frédéric Galland, Nicolas Bertaux

Author Affiliations +

Proceedings Volume 9853, Polarization: Measurement, Analysis, and Remote Sensing XII; 98530C (2016) https://doi.org/10.1117/12.2223066
Event: SPIE Commercial + Scientific Sensing and Imaging, 2016, Baltimore, MD, United States

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.

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Nicolas Vannier, François Goudail, Corentin Plassart, Matthieu Boffety, Patrick Feneyrou, Luc Leviandier, Frédéric Galland, and Nicolas Bertaux "Infrared active polarimetric imaging system controlled by image segmentation algorithms: application to decamouflage", Proc. SPIE 9853, Polarization: Measurement, Analysis, and Remote Sensing XII, 98530C (4 May 2016); https://doi.org/10.1117/12.2223066

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