Dual Visual Cryptography Using the Interference Color of Birefringent Material

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DOI: 10.4236/jsea.2017.108041    1,034 Downloads   2,116 Views  

ABSTRACT

Visual cryptography is a method of encrypting an image into several encrypted images. Conventional visual cryptography can display only monochrome images. We previously proposed a color visual cryptography method that uses the interference color of high-order retarder films and encrypts one secret image into two encrypted images. In other words, this method can only encrypt one image at a time. In this paper, we propose a new method that encrypts two color images using interference color.

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Qin, H. , Matsusaki, T. , Momoi, Y. and Harada, K. (2017) Dual Visual Cryptography Using the Interference Color of Birefringent Material. Journal of Software Engineering and Applications, 10, 754-763. doi: 10.4236/jsea.2017.108041.

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