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。
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。
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。
Furthermore, this algorithm, adapted to the local image characteristics, can control the robustness of embedded watermark and improve visual quality of the watermarked video.
同时这种算法可以根据图像局部特征控制水印鲁棒性，改善画质。
In this paper, a dual color image watermarking algorithm is proposed based on the research of color digital watermark.
本文对彩色水印技术进行了详细地研究，提出了一种双彩色数字水印方案。
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。
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。
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。
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。
An efficient watermarking algorithm for digital image, based on watermark DCT, is proposed.
提出了一种有效的基于水印dct的数字图像水印算法。
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。
In order to satisfy the new requires to digital watermark, we propose a chaotic encrypted image digital watermarking algorithm based on DWT domain in this paper.
为了对数字水印技术的新需求，我们在本文中提出了一种基于混沌加密的频率域数字图像水印新算法。
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。
Firstly, by analyzing former researches and visible watermark characteristics, a visible watermarking algorithm with feature of holding image content is realized.
通过分析前人的研究进展，结合可见水印特性，在小波域实现了一种具有图像内容保持特性的可见水印算法；
Embedding robust watermark and fragile watermark in one image simultaneously, an algorithm of compound, adaptive digital watermarking was presented.
提出一种同时嵌入鲁棒性水印和易损性水印的复合型数字水印算法。
The frequency domain algorithm adopts the common and information - rich gray level image as a watermark, which achieves the collaborative advantages of combining the DWT and DCT.
该频域算法采用更常见的含信息量丰富的灰度图像作为水印，结合离散小波变换和离散余弦变换的共同优点。
The watermark is compressed and the watermark is embedded in part of the pixels of the original image, then the watermark-hiding algorithm based on information substitution can be realized.
首先对于水印图像进行压缩，然后在原图像的部分象素点中嵌入水印，从而实现基于信息替代的水印隐藏算法。
Valid Blind Watermarking Algorithm On Image The images that have a lot of white pixels usually can produce a lot of overflows after being embedded the watermark.
提出了稳健性好的图像盲水印算法：白色像素较多的图像加入水印后会产生大量溢出误差，从而很难将水印提取出来或者对图像质量造成严重下降。
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 algorithm can extract the watermark without the original carrier image and the original watermark image.
水印的提取不需要原始载体图像和原始水印图像。
It discusses the little wave region DWT after introducing the principle and algorithm of little wave. Then it introduces little wave region image watermark technology.
首先讨论小波变换的原理和算法，然后重点研究小波域图像水印技术，并分别介绍灰度水印预处理和自适应小波域图像水印技术。
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。
This algorithm constructed the texture image based on Local Binary Pattern (LBP), and then zero watermark information was constructed from the texture spectral histograms of the texture image.
该算法使用文档图像的局部二值模式(LBP)构造纹理谱图像，然后使用该纹理谱图像的直方图构造零水印信息。
We test the algorithm performance in the cases of single watermark, double watermarks and multi watermarks when different distortions such as JPEG compression, image resizing and cropping are applied.
该文就单水印，双水印以及多水印情形进行了仿真并进行JPEG压缩、图像缩放、剪切等失真测试。
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。
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。
The watermark embedded in this algorithm is concerned with the characteristic of image statistic and the watermark system can self-adapt to the image.
该算法水印的嵌入与图像的统计特性相关，水印系统能够自适应于图像。
The original image is not needed during the watermark detecting process. The experimental results show that the algorithm has a better transparency and can resist various attacks. Especially the...
根据本算法的实验结果，该算法具有较好的透明性，对各种攻击有较强的顽健性，尤其是增强了小波域水印在面临裁剪攻击和联合攻击时的顽健性。
The original image is not needed during the watermark detecting process. The experimental results show that the algorithm has a better transparency and can resist various attacks. Especially the...
根据本算法的实验结果，该算法具有较好的透明性，对各种攻击有较强的顽健性，尤其是增强了小波域水印在面临裁剪攻击和联合攻击时的顽健性。
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