Proposes a new lossy robust spread spectrum watermark algorithm.
提出了一种新的无失真鲁棒扩频水印方法。
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。
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。
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。
Next, elaborated the audio frequency numeral watermark algorithm basic principle, the model and the realization process.
其次，阐述了音频数字水印算法的基本原理、模型及实现入程。
Embedded the watermark information into intermediate frequency in the DCT-based watermark algorithm by seek the feature field.
在基于DCT的数字水印算法中通过寻找特征区域将水印嵌入在能量最大的离散余弦系数中；
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。
Main ideas as follows: Research of audio digital watermark Algorithm based on Fast Fourier Transforms and psychoacoustic auditory model.
主要工作有：基于快速傅立叶变换与声学模型的音频数字水印算法研究。
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。
Through calculation of the correlation, it is successful to extract the watermark algorithm blind when there are not original vector images.
在提取水印时，通过计算相关度，从而实现了不使用原载体图像就能提取水印的盲算法。
At last we propose a half frangible watermark algorithm based on the theory of digital signature, which can authenticate the integrity of image.
最后本文还借用数字签名思想提出了一种基于半易损水印的实用的数字图像认证算法。
Zero watermark can alleviate the risk of calssification in some degree and provides a basis for beforehand digital watermark algorithm research.
特别是数字零水印扩展方案大大降低了算法被逆向破解的风险，并为事前预防型数字水印算法的研究奠定了理论基础。
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。
Experimental results show that the algorithm compared with the primitive DCT-based transformed watermark algorithm has great robustness and invisibility.
测试结果表明，该算法比原始基于DCT的水印算法具有更好的鲁棒性和图像可见性。
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。
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。
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