watermark

noun

1. （纸张上的）水印
   a symbol or design in some types of paper, which can be seen when the paper is held against the light

1. See also: high-water mark

1. This article presents a novel self-synchronizing audio watermark algorithm for shortwave narrow band channel.
   提出了一种适应于短波窄带信道的自同步音频水印算法。
2. In the paper, a new watermark algorithm based on ridgelet transformation is put forward.
   提出了一种将一幅二值图像信息嵌入到脊波变换域的盲水印算法。
3. A novel public digital watermark algorithm based on image energy and quantization is proposed.
   提出了一个新的基于图像能量和量化的公开数字水印算法。
4. The original images and watermarks are transformed into a multi-frequent image to be embedded in watermark.
   这种算法充分利用小波变换的特点，把原始图象和水印分解成多频段的图象来嵌入水印。
5. A lossless scheme of a binary image watermark based on wavelet transform is proposed.
   针对二值水印图像，提出一种基于小波的无损的数字水印系统。
6. But in watermarking system, the main aim of source coding is watermark shaping.
   但在水印系统中，信源编码的主要目的是水印整形。
7. Two chaotic sequences are modulated according characters of chaotic system, using for watermark encryption and sub image extraction.
   利用混沌系统的特点调制了两种不同的混沌序列，分别用于水印加密和子图像的抽取。
8. The idea of embedded synchronic signal is proposed, which uses the synchronic signal for locating the watermark location.
   同时引入了同步信号的思想，利用同步信号和水印序列号定位水印的嵌入位置。
9. Digital movies could be encoded with an invisible "watermark" which would carry copyright and access rights information.
   数码电影可以解码一个看不见的水印，这个水印装载了版权和存取权的信息。
10. A new approach of digital watermark based on information optics is presented.
    提出一种新的基于信息光学的数字水印方法。
11. In this thesis, we propose two algorithms of the embedded watermark to the image.
    在这篇论文中我们提出两种不可视浮水印的嵌入演算法。
12. No original image is needed when detecting the watermark.
    提取水印时不需要原始图像，实现了盲检测。
13. The watermark is extracted without the original unmarked image.
    数字水印的提取和图像认证不需要原始图像。
14. The random bit plane replacement method is used by the algorithm and binary image for inserting watermark is selected.
    该算法采用随机位平面替换方法，选用二值图像作为待嵌入水印。
15. Application of the Digital Watermark Technology in Watermarking Digital Camera
    数字水印技术在数字水印数码相机中的应用
16. The key point of the method is how to detect the malicious modification and the watermark copy attack.
    该计划的重点在于如何检测到恶意窜改和对水印的拷贝攻击。
17. The embedding position of the watermark is determined by a key and the security is enhanced.
    而且水印嵌入位置可由密码控制，增强了算法的保密性。
18. Experimental results show that embedded watermark has a certain capacity and robustness.
    试验结果和剖析表明嵌入的水印具备很好的不可见性和鲁棒性。
19. Lossless Fragile Watermark Based on Directional Wavelet and Histogram Shift
    基于方向小波和直方图平移的无损脆弱水印
20. A utilizable Digital watermark system should own good Robustness, security, transparency.
    一个有效的水印系统必须具备较强的鲁棒性、安全性和透明性。
21. Watermark algorithm for color image based on chaos map and wavelet transform
    基于混沌映射和小波变换的彩色图像水印算法
22. Experimental results demonstrate that the watermark is invisible and robust against common image lossy compression and noise.
    实验结果表明，算法实现的水印具有不可见性，而且对于常见图像压缩和噪声干扰具有很好的健壮性。
23. Audio watermarking that modulates DC level shift according to watermark has wonderful low pass and noise resistance performance.
    根据水印调整直流电平偏移的音频水印算法具有很好的低通和抗噪性能。
24. Covariance is used to detect watermark, which may reduce the influence of initial data or chaos in partially.
    在水印检测中使用协方差方法，尽可能地减小了原数据或噪声对水印检测的影响。
25. Digital watermark is the most active of the hiding technologies.
    数字水印技术是当前信息隐藏技术研究最为活跃的一个分支。
26. Electronic Seal System Based on Digital Watermark and ECC
    基于数字水印和ECC的电子印章系统
27. The digital watermark technique is proposed based on Fresnel hologram and Discrete Cosine Transform.
    提出了一种基于数字菲涅耳全息和离散余弦变换的数字水印技术。
28. The Application of Wavelet in Watermark and Target Tracking
    小波分析在数字水印和目标跟踪的应用
29. On these grounds, the wavelet domain optimal watermark imbedding algorithm is put forward based on the genetic algorithm.
    据此，提出了一种基于遗传算法的小波域优化水印嵌入算法。
30. Design the detection method of watermark bars of Euros.
    提出了欧元水印条码的识别方法。

noun

1. a distinguishing mark impressed on paper during manufacture

2. a line marking the level reached by a body of water

   Synonym:    water line