Sharing a Verifiable Secret Image Using Two Shadows

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题名:	Sharing a Verifiable Secret Image Using Two Shadows
作者:	Chang, C. C.;Lin, C. C.;Le, T. H. N.;Le, H. B.
关键词:	Visual secret sharing;Error diffusion;Inverse halftoning;(7, 4) Hamming code;Verifiable secret image;Clustering
日期:	2009-11
上传时间:	2009-12-17 06:57:24 (UTC+0)
出版者:	Asia University
摘要:	In this paper, we propose a novel (2,2) verifiable secret sharing (VSS) scheme, which not only protects a secret image but also allows users to verify the restored secret image in the revealing and verifying phase, for all binary, grayscale and color images. Error diffusion and image clustering techniques are adopted to achieve our objective. Experimental results and discussions show that the proposed scheme, with its smaller shadow size and lower computational complexity, obviously outperforms previous VSS schemes designed either with or without the cheating prevention mechanism. Moreover, the use of a halftone logo gives an efficient solution to verifying whether the restored secret image is correct by using a halftone logo.
關聯:	Pattern Recognition 42(11):3097-3114
显示于类别:	[資訊工程學系] 期刊論文

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