Optical scrambling system for image authentication
Posted on 2020-01-07 - 19:02
The continuous development of new authentication techniques is necessary to prevent illegal data access from unauthorized users or counterfeiting. In this paper, we present a simple optical method to decode encrypted image using a multi-scopic optical system. The method uses a scrambled lens-let array which provides a high level of security. In a simple configuration, the encrypted image is scrolled in front of the multi-scopic imaging system. Due to a particular arrangement of lens-lets, the image will only be correctly imaged at a unique position with respect to the imager. Experimental demonstrations are presented and potential applications discussed.
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DEJEAN, Marie; de Bougrenet de la Tocnaye, Jean Louis; Nourrit, Vincent (2020). Optical scrambling system for image authentication. Optica Publishing Group. Collection. https://doi.org/10.6084/m9.figshare.c.4707143.v1
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AUTHORS (3)
MD
Marie DEJEAN
Jd
Jean Louis de Bougrenet de la Tocnaye
VN
Vincent Nourrit