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.
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。
Through the classic image watermarking system contrast experiment, it proved that double chaos scrambling can enhance security and boost anti-offensive.
通过经典的图像水印系统对比实验证明了双混沌置乱能提高水印安全性和抗剪裁攻击攻击性能。
A new encrypted in-line holographic watermarking technique is proposed based on double-random phase encoding method, holography and digital watermarking.
在研究数字全息技术的基础上，提出了一种新的加密的同轴全息数字水印方法。
Double Digital Watermarking Method based on Transform Domain has realized the double aims of the copyright protection and the integrity authentication of image content.
基于变换域的双重数字水印方法，通过嵌入鲁棒水印和脆弱水印实现了图像内容版权保护和完整性认证的双重目的。
Finally, on the basis of studying single digital watermarking, proposes a double digital algorithm based on SVD and DWT.
最后，在研究单数字水印的基础上，提出了一种基于SVD和DWT的双数字水印算法。
The double digital watermarking scheme is precise to tamper localization. The watermark is born from the original image.
本文使用的水印信息是由载体图像生成、基于图像内容的水印图像。
The double entity authentication and watermarking content authentication made it impossible to gain illegal access to E-cheque, to edit or to forge it.
该机制采用了双重身份认证方案和水印内容认证方案，使得非法接触以及修改电子支票，伪造其内容都是不可能的。
The double entity authentication and watermarking content authentication made it impossible to gain illegal access to E-cheque, to edit or to forge it.
该机制采用了双重身份认证方案和水印内容认证方案，使得非法接触以及修改电子支票，伪造其内容都是不可能的。
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