In fact, the paper document is more valuable than other digital medias. To some extent, the study of the document watermarking can preserve the intellectual property effectively.
实际上许多纸张文档比音频、视频或图像之类的多媒体更有价值，对文本数字水印的研究能够有效保护文本形式作品的知识产权。
Aiming at the character of the text document being attacked in transmission, an adaptive watermarking algorithm for the text was proposed based on binary image in this paper.
针对纯文本文档在传输过程中易受到攻击的特点，提出了一种基于文本图像的纯文本自适应水印算法。
Watermarking can be extracted without original document and original watermarking information. When the watermarking bit is destroyed, block checkout and hamming checkout are used to recover it.
水印提取时不需要原始文档和原始水印，通过块校验和海明校验可将破坏的水印比特位进行恢复。
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。
Applications of watermarking include not only copyright protection, but also document authentication, covert communications and data embedding, etc.
数字水印技术的应用除了版权保护，还包括内容认证、隐蔽通信和数据嵌入等等很多方面。
A digital watermarking scheme for binary document image was proposed.
提出了一种用于二值文本图像的数字水印算法。
Digital watermarking is a key technique for copyright protection and content slight change detection for a multimedia document.
数字水印是多媒体版权保护和内容防篡改的重要手段之一。
With the more and more attention on document image watermarking, document image watermarking will have a bright future.
随着人们对文档图像数字水印技术的重视，文档图像数字水印会有更加光明的前景。
This paper proposed a novel watermarking scheme for the authentication of business documents by embedding a piece of information in the binary document image.
针对商业文档的完整性保护问题，提出了一种数字水印方案。
The marked codes are decided by the characteristic of the document, and the watermarking capacity decided by the amount of marked codes can also be flexible.
该方法的水印容量由标志代码的数量动态确定，可自主的提高水印容量。
Thus, it's necessary to separate the document image and then embed watermarking in character area and image area.
因此有必要对文档图像进行分割和分类，在文字区域和图像区域分别添加水印。
The main causes are listed in the following: watermarking is attached to text content, so the change of document may destroy the watermarking;
造成这些不足的主要原因是：水印是依附于文本的文字内容中，对文本的修改容易破坏水印；
In view of the unique characteristics of document images, many algorithms for digital image watermarking can not be applicable for document images.
而且鉴于文档图像自身的特点，许多数字图像水印算法对文档图像并不适用。
So it's a research orientation of great potential. With people's emphasis of document image digital watermarking, there is a brighter prospect.
随着人们对文档图像数字水印技术的重视，文档图像数字水印发展前景会更加光明。
Digital watermarking based on text document can protect copyright of digital products and prohibit piracy.
文本数字水印技术可以保护数字作品的版权，防止盗版和侵权行为。
Digital watermarking based on text document can protect copyright of digital products and prohibit piracy.
文本数字水印技术可以保护数字作品的版权，防止盗版和侵权行为。
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