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National Chung Hsing University Institutional Repository - NCHUIR > 理學院 > 資訊科學與工程學系所 > 依資料類型分類 > 期刊論文 >  Adaptive DE-based reversible steganographic technique using bilinear interpolation and simplified location map

Please use this identifier to cite or link to this item: http://nchuir.lib.nchu.edu.tw/handle/309270000/134318

標題: Adaptive DE-based reversible steganographic technique using bilinear interpolation and simplified location map
作者: Liu, Y.C.;Wu, H.C.;Yu, S.S.
喻石生
日期: 2011
Issue Date: 2012-12-14 10:39:53 (UTC+8)
關連: Multimedia Tools and Applications, Volume 52, Issue 2-3, Page(s) 263-276.
摘要: In this paper, an adaptive DE-based reversible steganographic scheme with bilinear interpolation and simplified location map is proposed. In traditional reversible difference expansion (DE) scheme, it suffers from two problems: the embeddable location is considered insufficient and the embedding payload control capability in single layer embedding is weak. For the first problem, the kernel of bilinear interpolation is applied to effectively improve the number of the embeddable location while the quality of the stego-image can be maintained at a good level. In addition, the proposed simplified location map is used for the existing adaptive embedding rule to improve the second problem where the secret data can be adaptively embedded and also the load of additional information can be reduced. The experimental results revealed that the proposed scheme presented better visual quality of the stego-image and carried larger embedding payload than some other revised DE schemes, such as Alattar's and Lee's schemes.
Relation: Multimedia Tools and Applications
Appears in Collections:[依教師分類] 劉永銓
[依資料類型分類] 期刊論文
[依教師分類] 喻石生
[依教師分類] 喻石生

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