4 May 2016 Infrared active polarimetric imaging system controlled by image segmentation algorithms: application to decamouflage
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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, Nicolas Vannier, François Goudail, François Goudail, Corentin Plassart, Corentin Plassart, Matthieu Boffety, Matthieu Boffety, Patrick Feneyrou, Patrick Feneyrou, Luc Leviandier, Luc Leviandier, Frédéric Galland, Frédéric Galland, Nicolas Bertaux, 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); doi: 10.1117/12.2223066; https://doi.org/10.1117/12.2223066
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