Hongliang Cai

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In this paper we propose a new method for content reconstruction using self-embedding technology. As the content reconstruction problem can be regarded as a special kind of erasure channel, we use fountain code which has good performance in erasure channel to generate reference symbols for reconstruction. Theoretical analysis of success bound about maximal(More)
Image sharing is an attractive research subject in computer image techniques and in the information security field. This article presents a novel scheme of image sharing with a (<i>t</i>, <i>n</i>) high-security threshold structure. The scheme can encode secret images into <i>n</i> shadow images in such a way that all the shadow images are in a(More)
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