HIGH CAPACITY REVERSIBLE DATA HIDING USING OVERLAPPING DIFFERENCE EXPANSION

被引：4

作者：

Chrysochos, E. ^{[1
]}

Varsaki, E. E. ^{[1
]}

Fotopoulos, V. ^{[1
]}

Skodras, A. N. ^{[1
]}

机构：

[1] Hellen Open Univ, Sch Sci & Technol, Digital Syst & Media Comp Lab, GR-26222 Patras, Greece

来源：

2009 10TH INTERNATIONAL WORKSHOP ON IMAGE ANALYSIS FOR MULTIMEDIA INTERACTIVE SERVICES | 2009年

关键词：

D O I：

10.1109/WIAMIS.2009.5031447

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Difference expansion (DE) has been widely used for reversible data hiding. In this work, a new DE based scheme is presented that uses consecutive, overlapping pairs, instead of the non-overlapping pairs or triads used by traditional DE derivatives. The scheme is superior to the existing approaches, both in capacity and PSNR terms. By applying multiple runs of the embedding process, a significant capacity gain is obtained at the expense of lower quality.

引用

页码：121 / 124

页数：4

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