A DUAL TECHNIQUE FOR WATERMARKING COLOR DIGITAL IMAGES

被引：0

作者：

Radulescu, Monica ^{[1
]}

Ionescu, Felicia ^{[1
]}

机构：

[1] Univ Politehn Bucuresti, Fac Elect Commun & Informat Technol, Bucharest, Romania

来源：

UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN SERIES C-ELECTRICAL ENGINEERING AND COMPUTER SCIENCE | 2008年 / 70卷 / 03期

关键词：

watermarking; frequency transformation; attacks; robust message hiding; adaptability;

D O I：

暂无

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：

The main requirements of a viable watermarking algorithm are: maintaining the host image quality and achieving a very high robustness to any kind of attacks for the introduced markup. In this paper, the authors propose a dual watermarking method. It combines a spatial watermarking technique with a frequency based technique. The two used methods have complementary results for image resistance to attacks. Since both watermarks are embedded in a different portion of the image coefficients, they do not interfere and the image quality is preserved. The resulting double watermarked image is extremely robust with respect to a wide range of attacks, including geometrical and non-geometrical transformations.

引用

页码：3 / 12

页数：10

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