Fragile Watermarking Scheme with Pixel-level Localization

被引：0

作者：

Guo, Jie ^{[1
]}

Qiu, Weidong ^{[1
]}

Li, Ping ^{[2
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Informat Secur Engn, Shanghai 200240, Peoples R China

[2] Shanghai Antzone Informat Technol Ltd, Shanghai 200240, Peoples R China

来源：

2010 THE 3RD INTERNATIONAL CONFERENCE ON COMPUTATIONAL INTELLIGENCE AND INDUSTRIAL APPLICATION (PACIIA2010), VOL V | 2010年

关键词：

fragile watermarking; image authentication; tamper detection;

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

A new fragile watermarking scheme is proposed for image authentication. The advantageous properties of both block-wise schemes and pixel-wise schemes are combined in our schem. A block-wise mechanism is exploited so as to obtain a high detection probability, while a pixel-wise mechanism is used to achieve accurate tamper localization. Both mechanisms can be adjusted and optimized based on application requirements. Meanwhile, forgery of watermark is prevented by using keyed hashes during watermark generation. Experimental results show that. the proposed scheme achieves both accurate tamper localization and strong security.

引用

页码：71 / 74

页数：4

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