Robustness and invisibility are used to evaluate the performance of the watermark algorithm.
鲁棒性及掩蔽性是衡量数字水印算法性能的重要指标。
The experimental results and attack analysis show that the watermark algorithm is robust against some image processing operations, such as JPEG lossy compression , rotation, cropping and noise adding.
实验结果表明该水印算法具有良好的抗JPEG压缩、旋转、裁剪和加噪等常见攻击的能力。
This paper presents a novel blind audio digital watermark algorithm.
该文提出了一种新的盲音频水印算法。
The paper brings forward a kind of hybrid SVD-DCT zero-watermark algorithm.
提出了一种结合奇异值分解（SVD）和DCT变换的零水印算法。
An adaptive watermark algorithm based on JPEG2000 is proposed in this paper.
提出一个基于JPEG2000的自适应水印算法。
A text watermark algorithm based on the tone of Chinese characters is proposed.
提出一种基于汉字拼音声调的中文文本水印算法。
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。
The results indicate that these improvements can enhance the robustness of watermark algorithm.
实验结果表明这些改进能够很好的提高水印的鲁棒性。
Experiments could prove that the watermark algorithm has strong robustness for image processing.
实验证明，该水印算法对图像处理有较强的鲁棒性。
This paper presents a novel semi-fragile watermark algorithm for image authentication and recovery.
提出一种新的用于图像认证及恢复的半脆弱水印算法。
This paper proposes a blind watermark algorithm which resists against printing and scanning robustly.
本文提出了一种能够抵抗打印扫描的盲水印算法。
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。
The watermark algorithm based on information substitution can be used to the information hiding of single or multi watermark images.
基于信息替代的水印算法分别可以对单幅和多幅水印图像进行信息隐藏。
A new spatial domain digital image watermark imbedding algorithm is presented in this paper by analyzing some spatial watermark algorithm.
该文通过对多种空域水印算法优缺点的分析，提出了一种新的空域数字图像水印加入算法。
In order to reduce inconvenience of setting threshold value in watermark algorithm, the amount of calculation is reduced to extracting watermark.
为了减少水印算法中设置阈值带来的不便，减少水印提取时的计算量。
In order to use cryptographic techniques to avoid the lack of data protection, this paper proposes a new watermark algorithm based on block statistics.
针对密码技术在数据保护方面的不足，提出一种新的数字水印算法——基于分块统计的水印嵌入算法。
A video object watermark algorithm using Scale-Invariant feature Transform (SIFT) features and video segmentation based on spatiotemporal information is proposed.
提出一种结合尺度不变特征变换(SIFT)特征点校正和时空域视频对象分割的视频对象水印算法。
An digital image watermark algorithm is proposed based on the synergetic neural network, combined with encryption technique, to guarantee its robustness and security.
为保证图像数字水印的鲁棒性和安全性，结合加密技术，提出了一种使用协同神经网络的图像数字水印算法。
To meet the large image watermark, this paper designed a fast watermark algorithm according to the characteristics of the fast curvelet algorithm and the human visual.
为适应大图像的数字水印，本文结合快速曲波算法的特点和人类视觉特征，设计了一种快速的数字水印算法。
By making use of human sight property in wavelet domain, a binary image watermark algorithm without using the original image in the watermark extraction has been presented.
利用小波变换域中人眼的视觉特性，提出了一种提取水印时不需要原始图像的数字图像水印算法。
Methods Owing to the shortcomings of the traditional digital watermark techniques, analyze the frequency domain watermark algorithm, propose a new digital watermark method.
方法针对传统数字水印技术的有限性，通过对频域数字水印算法进行分析，提出了一种新的数字水印算法。
Based on the grid multi-scroll Chua's chaotic attractors and Discrete Cosine Transform (DCT) algorithm, a novel digital image watermark algorithm is proposed in this paper.
基于网格状多涡卷蔡氏混沌系统和离散余弦变换(DCT)理论，提出一种改进的数字水印算法。
According to the characteristics of PDF417 and the lifting wavelet transform, a digital image watermark algorithm based on PDF417 and lifting wavelet is proposed in this paper.
根据PDF417与提升小波变换的特点，提出一种基于PDF417和提升小波变换的数字图像水印算法。
In order to improve performance of resistance to the geometrical attack while keep invisible, a zero-watermark algorithm for digital image based on Fourier-Millin transforming is proposed.
为了提高抗几何攻击性能，同时保证不可见性，提出了一种结合傅立叶-梅林变换和零水印概念的图像水印算法。
In order to provide the anti-counterfeiting for brand authentication, a fragile watermark algorithm is designed and implemented based on the analysis of the process of cloth manufacturing.
针对提花织物防伪问题，在分析提花织物生产工艺的基础上，提出了一种用于真伪认证的基于小样图的易损盲水印算法。
Experimental results demonstrate that the proposed algorithm is more tamper resistant than general spread spectrum watermark algorithm and the false detection rate is decreased considerably.
实验表明，该算法有效降低了检测错误的概率，显著地提高了扩频水印的抗攻击能力。
In this article a meaningful public watermark algorithm based on DCT was realized. An idea of controlling the position embedded by the random series was inducted which improved the algorithm.
文中实现了一种有意义的基于DCT的公开水印算法，并引入随机序列控制嵌入位置间隔的思想对算法进行了改进。
Use singular value decomposition (SVD) in the watermark algorithm may enhance the anti-geometry distortion of the image, but it is very weak to some attacks such as salt, gauss, filter and etc.
在水印算法中用奇异值分解可以提高图像的抗几何失真性，但它对椒盐、高斯、滤波等攻击的抵抗能力却很弱。
In view of the problem that the pictures on commodities packaging may have distortion in watermark detection process, studies are carried out and a new blind digital watermark algorithm is proposed.
针对商品包装图像在水印检测过程中图像会发生变形的问题展开研究，提出一种基于非均值量化系数特征不变的盲数字水印方案。
To protect the copyright of image, non-watermark algorithm constructs marking meaning watermark by the characteristic structure of image instead of embeddings watermark by altering the data of image.
图像零水印技术打破了常规水印算法修改图像数据以嵌入水印的作法，通过图像的特征构造具有标识意义的水印信息来实现图像的版权保护。
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