A novel fragile watermark-based image authentication scheme for AMBTC-compressed

被引：0

作者：

Zhong, Hong ^{[1
]}

Liu, Hai Quan ^{[1
]}

Chang, Chin-Chen ^{[2
]}

Lin, Chia-Chen ^{[3
]}

机构：

[1] School of Computer Science and Technology, Anhui University, Hefei, China

[2] Department of Information Engineering and Computer Science, Feng Chia University, Taichung, Taiwan

[3] Department of Computer Science and Information Management, Providence University, Taichung, Taiwan

来源：

Journal of Information Hiding and Multimedia Signal Processing | 2016年 / 7卷 / 02期

关键词：

Absolute moment block truncation coding - Authentication codes - Fragile watermark - High image quality - Image authentication - Pseudorandom sequences - Quantization levels - Watermarked images;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A novel fragile watermark-based image authentication scheme for images that are compressed by absolute moment block truncation coding (AMBTC) was proposed in this paper. In the proposed scheme, an authentication code is generated by a pseudo random sequence. Subsequently, the authentication code is embedded into both quantization levels and the bit map of each image block for AMBTC-compressed images. Unlike other schemes, it is not necessary to consider various cases and obtain different image quality according to the number of bits of the authentication code in binary form. Experimental results demonstrate that our new scheme provides good image quality for watermarked images. Moreover, the high image quality is not in uenced by an increasing authentication code. © 2016.

引用

页码：362 / 375

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