Scalable secret image sharing

descriptionPublicationkeyboard_double_arrow_right Article 01 Apr 2007 English Publisher:Elsevier BVJournal:Signal Processing: Image Communication, volume 22, pages 363-373 (issn: 0923-5965,

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Authors: Ran-Zan Wang; Shyong Jian Shyu;

doi: 10.1016/j.image.2006.12.012

Scalable secret image sharing

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Abstract

In this paper, we propose an innovative scheme, namely the scalable secret image sharing scheme, for sharing an image O among n participants such that the clarity of the reconstructed image (i.e., the amount of information therein) scales with proportion with the number of the participants. The proposed scheme encodes O into n shadow images that exhibit the following features: (a) each shadow image reveals no information about O, (b) each shadow image is only half the size of O, (c) any k (2=

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Ming Chuan University
Taiwan

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