Browsing by Author "Eichenberger, Martin"
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Lightsafe: An interactive Security Technology for Banknotes and ID Documents
Eichenberger, Martin; Basset, Guillaume (2022-04-12)We present a novel class of interactive security features . Based on light guiding in thin foils, the features are verified by illuminating them with a white light source, such as the LED of a smartphone, and viewing ...