Authors: YiNing Liu Qi Zhong Ming Xie ZuBin Chen
Publish Date: 2017/02/27
Volume: 77, Issue: 5, Pages: 6017-6031
Abstract
In this paper a novel multiplelevel secret image sharing scheme is proposed which achieves the additional steganography the authentication and the scalable abilities The key idea is that the secret image is revealed at different quality levels with the different priorities Specifically based on the weight function and Shamir’s secret sharing the meaningful shadow images are distributed among the different level participants and the participants with the higher priority are capable of revealing more information about the secret image Meanwhile the proposed scheme enables the cover images to be losslessly restored Besides the secret image can be progressively revealed when more participants of the different levels cooperate together Moreover the verifiable correctness of the shadow images prevents from cheating among the participants before the recovery of the secret imageProject supported by the Natural Science Foundation of China Nos 61363069 61662016 61301166 61672029 Guangxi Colleges and Universities Key Laboratory of Intelligent Processing of Computer Images and Graphics No GIIP201604 Foundation of Guangxi Bureau of Educationky2016YB155 High Level Innovation Team of Guangxi Colleges and Universities and the Innovation Project of Guangxi Graduate Education No YCSZ2015149
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