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Distortion-Free Secret Image Sharing Mechanism Using Modulus Operator

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題名: Distortion-Free Secret Image Sharing Mechanism Using Modulus Operator 作者: Lin, P. Y.;Lee, J. S.;Chang, C. C.

關鍵詞: Secret sharing;Distortion-free;Rabin's signature;Modulus operator;Cheater detection

日期: 2009-01

上傳時間: 2009-12-17T06:57:33Z 出版者: Asia University

摘要: The (t, n)-threshold has been extended to secret image sharing due to its

practicability. In this article, we provide a novel version that employs the modulus operator to embed the secret share into a host image. The simulator shows that the modulus operator is useful for decreasing shadow image distortion. Using Rabin's signature cryptosystem, participants can detect if a cheater exists in the

cooperation. In particular, the new mechanism permits involved members to restore a lossless secret image and to reconstruct a distortion-free host image.

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