This paper present a scheme that applies transmit diversity technique to improve robustness of digital watermarking.
本文提出了一种应用传输分集技术改善数字水印的稳健性的方案。
This paper discusses the relationship of application, security, robustness of digital watermarking technology.
本文论述了数字水印技术的应用和安全性、稳健性的关系。
Considering digital watermarking algorithms for document images, there are not many, lower robustness.
目前针对文档图像的数字水印算法并不是很多，并且都有鲁棒性较低的缺点。
Most existing methods of digital watermarking modify more or less the original image data for embedding watermarks, which limits the robustness and security.
在水印嵌入的时候，已有的大多数数字水印方法都是对原始图像数据信息作一定的运算修改，使得鲁棒性和安全性受到限制。
Digital watermarking technology becomes an important way to solve these problems because of its invisibility, robustness and security.
数字水印技术因其透明性、稳健性和保密性成为解决这些问题的重要方法。
Absrtact: There are many research developments on improving the robustness of digital watermarking. On the contrary, security has received little attention.
摘要：目前，对数字水印鲁棒性的提高已有很多研究成果，但安全性的研究还有待加强。
The experimental results show that the method can increase the watermarking strength so that the robustness of digital watermark is enhanced and that the method has very good adaptability.
实验表明，使用该方法能在确保水印不可见的同时提高水印的嵌入强度，从而可提高水印的顽健性，且该方法具有很好的适应性。
An effective against geometric attack robustness of digital watermarking algorithm based on improved SIFT (Scale Invariant Feature Transform) is presented.
通过改进的SIFT(尺度不变特征变换)算法提出了一种可有效抵抗几何攻击的鲁棒数字水印算法。
Digital watermarking is a new technique for digital multimedia copyright protection, the differences of the algorithms make the robustness and the imperceptibility of this technique very different.
数字水印是近年来出现的一种新的数字多媒体产品版权保护技术，用于嵌入水印的算法的不同使得该技术的不可见性，鲁棒性等特性大相径庭。
My research in this thesis is just based on the Robustness of Digital Watermarking Technology.
本文研究的课题就是建立在研究数字水印算法鲁棒性基础上的。
My research in this thesis is just based on the Robustness of Digital Watermarking Technology.
本文研究的课题就是建立在研究数字水印算法鲁棒性基础上的。
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