A Novel (n, n) Secret Image Sharing Scheme Based on Sudoku

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Title:	A Novel (n, n) Secret Image Sharing Scheme Based on Sudoku
Authors:	Wang, Zhi-Hui;Wang, Zhi-Hui;Guo, Cheng;Guo, Cheng;張真誠;Chang, Chin-Chen
Contributors:	資訊工程學系
Date:	2013-03
Issue Date:	2013-07-11 06:18:25 (UTC+0)
Abstract:	Recently, Chang et al. proposed a Sudoku-based secret image sharing scheme. They utilized the Sudoku grid to generate meaningful shadow images, and their scheme satisfied all essential requirements. Based on Chang et al.’s scheme, we propose a novel (n, n) secret image sharing scheme based on Sudoku. In the proposed scheme, a secret image can be shared among n different cover images by generating n shadow images, and the secret image can be reconstructed without distortion using only these n shadow images. Also, the proposed scheme can solve the overflow and underflow problems. The experimental results show that the visual quality of the shadow images is satisfactory. Furthermore, the proposed scheme allows for a large embedding capacity.
Relation:	Journal of Electronic Science and Technology, V.11 N.1 : 44-50.
Appears in Collections:	[Department of Computer Science and Information Engineering] Journal Artical

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