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IEICE TRANSACTIONS on Fundamentals

A Cheat-Prevention Visual Secret Sharing Scheme with Efficient Pixel Expansion

Shenchuan LIU, Masaaki FUJIYOSHI, Hitoshi KIYA

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Summary :

This paper proposes a visual secret sharing (VSS) scheme with efficient pixel expansion which prevents malicious share holders from deceiving an honest share holder. A VSS scheme encrypts a secret image into pieces referred to as shares where each party keeps a share so that stacking a sufficient number of shares recovers the secret image. A cheat prevention VSS scheme gives another piece to each party for verifying whether the share presented by another party is genuine. The proposed scheme improves the contrast of the recovered image and cheat-prevention functionality by introducing randomness in producing pieces for verification. Experimental results show the effectiveness of the proposed scheme.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E96-A No.11 pp.2134-2141
Publication Date
2013/11/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E96.A.2134
Type of Manuscript
Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category
Cryptography and Information Security

Authors

Shenchuan LIU
  Tokyo Metropolitan University
Masaaki FUJIYOSHI
  Tokyo Metropolitan University
Hitoshi KIYA
  Tokyo Metropolitan University

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