基于图像的半脆弱数字水印技术研究

信息技术与计算机网络的发展,以及图像保护的需求,使得半脆弱数字水印成为当前图像认证技术研究的热点。首先介绍了半脆弱数字水印技术的特点,给出了基于半脆弱数字水印的图像认证系统模型,并对目前主要的半脆弱数字水印算法进行了分类研究和分析,对水印攻击方法进行了总结,最后展望图像半脆弱数字水印发展方向。

Research on Semi-fragile Digital Watermarking Based on Image Authentication

With the development of information technique and computer network,as well as the requirement of image protection,semi-fragile digital watermarking has become a hotspot of image authentication technique.The characteristics of semi-fragile watermarking technique is introduced,the image authentication model based on semi-fragile watermarking system is presented,the main watermarking algorithms are studied,the interrelated aggressive behaviors are summarized,and the future development of the semi-fragile digit...