Progressive sharing for a secret image

被引：20

作者：

Huang, Chin-Pan ^{[1
]}

Hsieh, Chaur-Heh ^{[1
]}

Huang, Ping Sheng ^{[2
]}

机构：

[1] Ming Chuan Univ, Dept Comp & Commun Engn, Tao Yuan 333, Taiwan

[2] Ming Chuan Univ, Dept Elect Engn, Tao Yuan 333, Taiwan

来源：

JOURNAL OF SYSTEMS AND SOFTWARE | 2010年 / 83卷 / 03期

关键词：

Image sharing; Secret sharing; Shadow image; SPIHT; WAVELET TRANSFORMS; COMPRESSION;

D O I：

10.1016/j.jss.2009.10.012

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

Based on the wavelet transform, a new progressive sharing scheme is proposed to share a secret image into several shadow images using SPIHT encoding processes and Shamir's threshold scheme. Quality refinement of the recovered image is achieved by the data consumed from the threshold number (r) of shadow images and each single shadow image reveals no information about the secret image. The size of each shadow image is smaller than 1/r of the secret image and any number of shadow images that is less than r reveals no information about the secret image. The proposed approach is secure for image sharing and provides excellent peak signal-to-noise ratio (PSNR) versus rate performance. Experimental results have demonstrated the promising performance of this method in progressive sharing. (C) 2009 Elsevier Inc. All rights reserved.

引用

页码：517 / 527

页数：11

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