New semi-fragile image authentication watermarking techniques using random bias and non-uniform quantization

被引：17

作者：

Maeno, K ^{[1
]}

Sun, QB ^{[1
]}

Chang, SF ^{[1
]}

Suto, M ^{[1
]}

机构：

[1] Oki Elect Ind Co Ltd, Takasaki, Gumma 3708585, Japan

来源：

SECURITY AND WATERMARKING OF MULTIMEDIA CONTENTS IV | 2002年 / 4675卷

关键词：

semi-fragile watermarking; wavelet transform; random bias; non-uniform quantization; JPEG2000;

D O I：

10.1117/12.465327

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Semi-fragile watermarking methods aim at detecting unacceptable image manipulations, while allowing acceptable manipulations such as lossy compression. In this paper, we propose new semi-fragile authentication watermarking techniques using random bias and non-uniform quantization, to improve the performance of the methods proposed by Lin and Chang [1]. Specifically, the objective is to improve the performance tradeoff between the alteration detection sensitivity and the false detection rate.

引用

页码：659 / 670

页数：12

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