New optical random coding technique for security systems

Zeev Zalevsky; David Mendlovic; Uriel Levy; Gal Shabtay

doi:10.1016/S0030-4018(00)00687-8

New optical random coding technique for security systems

Zeev Zalevsky, David Mendlovic, Uriel Levy, Gal Shabtay

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

A novel technique for random optical encoding is suggested. The proposed technique is based upon two binary masks: an encoding mask and a decoding mask. Each mask in itself is random, and contains no information that may be decoded. Only when the two masks are joined together, the decoded information is revealed. This way, the encoding of gray level as well as color information is possible. This approach is especially suitable for security applications.

Original language	English
Pages (from-to)	15-20
Number of pages	6
Journal	Optics Communications
Volume	180
Issue number	1
DOIs	https://doi.org/10.1016/S0030-4018(00)00687-8
State	Published - 1 Jun 2000
Externally published	Yes

Bibliographical note

Funding Information:
The authors wish to thank the Israeli Ministry of Science and the Arts for its support in the framework of the national infrastructure program. Uriel Levy and Gal Shabtay wish to thank the Israeli Ministry of Science and the Arts for the Eshkol fellowship.

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10.1016/S0030-4018(00)00687-8

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New optical random coding technique for security systems

Abstract

Bibliographical note

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