For watermarks, the highest (maximum) or lowest (minimum) value is used.
对于水位标志，使用最高(最大)或最低(最小)值。
IText allows you to create watermarks, encrypt the document, and other output niceties.
iText允许用户创建水印，对文档进行加密以及设置其他输出细节。
CutePDF Writer is free for personal or commercial use with no watermarks or ads whatsoever.
CutePDF Writer免费供个人或商业使用，无水印，也没有任何广告。
Signed by no fewer than eight local dignitaries, they bore watermarks, personal seals and a fancy border.
钞票上有不少于8位当地达官贵人的签名，有水印，私人印章和华丽繁复的边缘纹饰。
The iText library contains classes to generate PDF text in various fonts, generate tables in PDF document, add watermarks to pages, and so on.
iText 库中的类用于以各种字体来生成PDF文本、在 PDF文档中生成表格、为页添加水印等。
Applies watermarks to your images.
在你的图片上使用水印。
The second algorithm embeds multiple watermarks.
第二种算法是嵌入多个水印。
The watermarks are robust against LSB and crop attack.
可以抵抗LSB攻击和剪切攻击。
Furthermore, the algorithm is adaptive to all sorts of meaningful watermarks.
本论文所提出的算法能适应各种形式的有意义数字水印的嵌入。
Examples: digital watermarks, organization crest, personal logo, originator identifier.
比如：数字水印、组织饰章、个人标识、原创标识等。
The experimental results show the robustness of the digital watermarks by this algorithm.
最后通过实验测试验证了该算法的鲁棒性。
An invisible image watermarking algorithm for embedding meaningful watermarks is proposed.
提出了一个嵌入有意义字符串的图象隐形水印算法。
The public watermarking technique can extract or detect watermarks without the original photo.
公有水印技术是在水印提取或检测时不需要原始照片参与。
Embedding strategy, embedding formula and the watermark strength all affect robustness of watermarks.
嵌入对策、嵌入公式、嵌入强度都影响水印的稳健性。
Security paper: paper incorporating features, such as watermarks, etc, which make counterfeiting difficult.
保密纸：有着难以仿制的特征，如水印等的纸张。
This is not the best way to create watermarks and it is presented here only for its illustration purposes .
但这不是生成水印图像的最佳方式，只是用于说明相关设置的作用。
Digital watermarks have been proposed in recent literature as the approach for copyright protection of multimedia data.
数字水印技术是多媒体数据版权维护的主要方式，近年来得到普遍的研讨和关注。
It analyses the influence of user number and embedding depth on the quality of watermarked images and extracted watermarks.
分析了用户数量和嵌入深度对含印图像质量和提取水印质量的影响。
Fragile watermarks are used for authentication purposes and are capable of detecting minute changes of the watermark's content.
而脆弱水印则主要用来对图像进行防篡改验证，它能够检测到所添加水印的微小变化。
Multiple image watermarking is a technology of embedding and detecting multiple irrelevant watermarks in a single digital image.
多重图像水印就是在一幅图像中嵌入和检出多个不相关水印的技术。
For retrieving the watermarks, the author proposed a "credible bit" method, which could enhance the robustness of the watermarks.
还提出了水印的“可信比特”提取的方法，加强了水印的鲁棒性。
A novel geometric robust zero-watermarking scheme, which USES Computer Generated Holograms (CGHs) as the watermarks, is presented.
结合计算全息技术，提出一种新颖的抗几何攻击的鲁棒零水印算法。
The traditional method to distinguish true or false images is to embed digital watermarks or signatures in digital images in advance.
传统上，在鉴别图像真伪时，采用事先在数字图像中嵌入数字水印或签名的方法。
We can improve the transparency of watermarks through a zero-watermarking method since it need not modify the original image information.
而零水印不需要修改原始图像的任何信息，可以有更好的透明性。
The experimental results demonstrate that the watermarks are invisible and robust against MPEG compression and some commonly used attacks.
实验结果表明，该算法在满足了不可见性的前提下，具有良好的鲁棒性。
We extract watermarks in the intermediate frequency and low frequency region and compare them, using the extracted watermark which is better.
水印检测时，分别在中频和低频区域提取水印并进行比较，采用效果较好的水印作为检测水印。
The invention further discloses a watermark embedding device, a method and a device for removing watermarks, and a watermark authentication system.
本发明还公开了一种嵌入水印的装置，一种移除水印的方法和装置以及一种水印认证系统。
The impact of the invisible watermarks on the image quality is slight, and the invisible watermarks are robust to common image processing operations.
而不可见水印对图像的质量影响很小，并对常规图像处理操作具有良好的鲁棒性。
When the tide is high, thestatue's base is flooded, and there are watermarks indicating variouswater levels on the Buddha's feet, legs and lower belly.
涨水时，佛像底座会被淹没，大佛的脚上，腿上，下腹部均有水淹的痕迹。
Experimental results demonstrate that, not only the watermarking capacity is increased, but also the embedded watermarks are invisible, secure and robust.
实验结果证明了该算法在提高水印容量的同时，嵌入水印也具有很好的安全性、隐蔽性和鲁棒性。
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