提出了基于混沌系统的静止图像脆弱性数字水印算法。
We put forward a fragile digital watermarking algorithm of still image according to the chaos system.
在方案二中，本文将方案一的方法进一步扩展到半脆弱性数字水印中。
The method in scheme one is expanded to semi-fragile watermarking in scheme two.
基于这个不变的数字特征，本文提出了种基于图像DCT域的鲁棒性水印和脆弱性水印共存的双水印算法。
Based on this, the paper proposes a double watermarking algorithm based on DCT domain that the coexistence of robust and fragile digital watermarking can be achieved.
该文对脆弱性水印技术进行了一定的探讨，并通过简单实验验证了运用HASH函数md5的脆弱数字水印算法。
In this paper, the frail watermark is also discussed at some degree. The scheme on the frail watermark by using HASH function MD5 is testified by a simple experiment.
该文对脆弱性水印技术进行了一定的探讨，并通过简单实验验证了运用HASH函数md5的脆弱数字水印算法。
In this paper, the frail watermark is also discussed at some degree. The scheme on the frail watermark by using HASH function MD5 is testified by a simple experiment.
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