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Blundo, C., De Santis, A. and Naor, M. (2000) Visual Cryptography for Grey Level Images. Information Processing Letters, 75, 255-259.
https://doi.org/10.1016/S0020-0190(00)00108-3

has been cited by the following article:

• TITLE: Color Visual Cryptography with Stacking Order Dependence Using Interference Color

  AUTHORS: Toshiki Matsuzaki, Huangyi Qin, Kenji Harada

  KEYWORDS: Visual Cryptography, Polarizer, Interference Color, Birefringent Material

  JOURNAL NAME: Open Journal of Applied Sciences, Vol.7 No.7, July 3, 2017

  ABSTRACT: Visual cryptography is an encryption method that shares a secret image through several encrypted images. General visual cryptography has no stacking order dependence, and only one image can be decoded regardless of stacking order of encrypted images. We previously reported a color visual cryptography using interference color (or polarization color) of retarder films. The interference color changes depending on the stacking order of retarder films. In this paper, we propose and develop a color visual cryptography that displays two images by changing stacking order of retarder films.