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J. Imaging 2018, 4(11), 126; https://doi.org/10.3390/jimaging4110126

Personalized Shares in Visual Cryptography

1
Department of Computer Science, IRIMAS Institute, Université de Haute-Alsace, F-68100 Mulhouse, France
2
Université de Strasbourg, 67081 Strasbourg, France
*
Author to whom correspondence should be addressed.
Received: 13 August 2018 / Revised: 7 October 2018 / Accepted: 24 October 2018 / Published: 29 October 2018
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Abstract

This article deals with visual cryptography. It consists of hiding a message in two key images (also called shares). The decryption of the message is obtained through human vision by superposition of the shares. In existing methods, the surface of key images is not visually pleasant and is not exploited for communicating textual or pictorial information. Presently, we propose a pictogram-based visual cryptography technique, which generates shares textured with customizable and aesthetic rendering. Moreover, robustness characteristics of this technique to the automated decoding of the secret message are presented. Experimental results show concrete personalized shares and their applicative potentials for security and creative domains. View Full-Text
Keywords: visual cryptography; visual representation; visual communication; visual effect; graphic design; pictogram; pixel art; negative space; texture mapping; visualization visual cryptography; visual representation; visual communication; visual effect; graphic design; pictogram; pixel art; negative space; texture mapping; visualization
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Hammoudi, K.; Melkemi, M. Personalized Shares in Visual Cryptography. J. Imaging 2018, 4, 126.

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