Information display using multi-color visual cryptography

H. Yamamoto; Y. Hayasaki; N. Nishida

doi:10.1364/FIO.2003.TuV3

Frontiers in Optics
OSA Technical Digest (CD) (Optica Publishing Group, 2003),
paper TuV3
•https://doi.org/10.1364/FIO.2003.TuV3

Information display using multi-color visual cryptography

H. Yamamoto, Y. Hayasaki, and N. Nishida

Frontiers in Optics 2003

Tucson, Arizona United States
5–8 October 2003
ISBN: 1-55752-759-8

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H. Yamamoto, Y. Hayasaki, and N. Nishida, "Information display using multi-color visual cryptography," in Frontiers in Optics, OSA Technical Digest (CD) (Optica Publishing Group, 2003), paper TuV3.

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Abstract

We propose a display technique that ensures security of visual information. The display limits its viewing zone with a decoding mask based on visual cryptography, which enables the observer to recognize the secret information without any computation. We have developed multi-color encryption code and demonstrated a secure information display.

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