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Mathematical Problems in Engineering
Article . 2010 . Peer-reviewed
License: CC BY
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Mathematical Problems in Engineering
Article
License: CC BY
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zbMATH Open
Article . 2010
Data sources: zbMATH Open
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Meaningful Share Generation for Increased Number of Secrets in Visual Secret‐Sharing Scheme

Meaningful share generation for increased number of secrets in visual secret-sharing scheme
Authors: Ulutas, Mustafa(Department of Computer Engineering, Karadeniz Technical University);

Meaningful Share Generation for Increased Number of Secrets in Visual Secret‐Sharing Scheme

Abstract

This paper presents a new scheme for hiding two halftone secret images into two meaningful shares created from halftone cover images. Meaningful shares are more desirable than noise‐like (meaningless) shares in Visual Secret Sharing because they look natural and do not attract eavesdroppers′ attention. Previous works in the field focus on either increasing number of secrets or creating meaningful shares for one secret image. The method outlined in this paper both increases the number of secrets and creates meaningful shares at the same time. While the contrast ratio of shares is equal to that of Extended Visual Cryptography, two secrets are encoded into two shares as opposed to one secret in the Extended Visual Cryptography. Any two natural‐looking images can be used as cover unlike the Halftone Visual Cryptography method where one cover should be the negative of the other cover image and can only encode one secret. Effectiveness of the proposed method is verified by an experiment.

Related Organizations
Keywords

Cryptography, Image processing (compression, reconstruction, etc.) in information and communication theory

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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
11
Top 10%
Top 10%
Average
gold