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Gray-scale and color optical encryption based on computational ghost imaging

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3 Author(s)
Tanha, Mehrdad ; Research Institute for Applied Physics and Astronomy, University of Tabriz, Tabriz, Iran ; Kheradmand, Reza ; Ahmadi-Kandjani, Sohrab

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We propose two approaches for optical encryption based on computational ghost imaging. These methods have the capability of encoding ghost images reconstructed from gray-scale images and colored objects. We experimentally demonstrate our approaches under eavesdropping in two different setups, thereby proving the robustness and simplicity thereof for encryption compared with previous algorithms.

Published in:

Applied Physics Letters  (Volume:101 ,  Issue: 10 )