Fast and robust watermarking in still images based on QR decomposition

被引：46

作者：

Naderahmadian, Yashar ^{[1
]}

Hosseini-Khayat, Saied ^{[1
]}

机构：

[1] Ferdowsi Univ Mashhad, Dept Elect Engn, Mashhad 91779, Iran

来源：

MULTIMEDIA TOOLS AND APPLICATIONS | 2014年 / 72卷 / 03期

关键词：

QR decomposition; Still image; Watermarking;

D O I：

10.1007/s11042-013-1559-9

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A blind watermarking technique based on QR decomposition is proposed on still images. The method is presented in spatial as well as transform domains and its robustness against some well-known image processing attacks is evaluated. It is shown that the QR decomposition offers capacity and robustness comparable to or better than similar watermarking based on the DCT and SVD transformations. Also, an interesting property of QR decomposition, which for the first time has been introduced by our previous paper, is proved and put in practice in more details.

引用

页码：2597 / 2618

页数：22

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