The robustness of the watermark system was realized by using image watermark of practical content;
通过有实际内容的图像水印来实现水印系统的鲁棒性；
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。
Although the digital watermarking technology has made rapid development, mainly in a static image watermark technology.
目前数字水印技术虽然取得了飞速发展，但是主要集中在静止的图像水印技术方面。
The image watermark scheme based on Scale Invariant feature Transform (SIFT) feature is proposed for resisting geometric attacks.
提出一种利用尺度不变特征变换(SIFT)特征点实现对抗几何攻击的水印方案。
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。
Then after preprocessing the binary image watermark, with different embedding strength the watermark image is embedded by the rule of odd-even adjudging.
对二值水印图像预处理后，根据分类结果自适应的嵌入水印，嵌入采用奇偶判决法则。
Then after preprocessing the binary image watermark, with different embedding strength the watermark image is embedded by the rule of odd-even adjudgement.
对二值水印图像预处理后，根据分类结果采用不同强度自适应的嵌入水印，嵌入采用奇偶判决法则。
As the variety of watermark and its wide use, this thesis will focus on the three following aspects: image scrambling, color image watermark, and video watermark.
数字水印应用涉及范围广泛，种类繁多，本文分别在图像置乱、彩色图像水印、及视频水印三个方面做了部分研究工作。
When extracting the watermark, determine the extracting location in accordance with the key, extract the binary watermark and then recover the gray image watermark.
提取水印时，按照密钥确定水印提取位置，使用与嵌入互逆的方式提取二值水印，恢复为灰度水印。
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。
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。
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。
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。
In this paper, we present a novel robust digital image watermark arithmetic based on Wavelet Packet with Best Tree with combining HVS and embedding method of image adaptive.
本文提出了一种结合人眼视觉特性(HVS)的自适应水印嵌入方法的基于最优小波包基数字图像水印鲁棒性算法。
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。
Thirdly, finding Aimed at image watermark robustness, an evaluative method based on synergetic and its usage was first advanced. The experimental results demonstrate practicable.
根据协同学中的序参量理论，提出了一种对数字水印的鲁棒性进行评价的方法和标准，并从理论和实验上证明了这种方法的有效性。
How well do so-called watermark ads - an image that sits on part of a Web page like etched glass - affect buyer intent?
所谓的水印广告-像蚀刻玻璃一样内嵌在部分网页上的图片-又到底能创造多少购买动机？
A method of embedding a color digital watermark into a gray level image is proposed.
本文提出一种将彩色数字水印嵌入到灰度级图像中的方法。
By still image compression coding technique, the color digital watermark is encoded into a series of binary ID Numbers for watermarking.
利用静态图像的压缩编码技术，将彩色数字水印编码为一系列二值id数字，以实现水印的嵌入。
When detecting the watermark, we do not need the original image and original watermark.
盲检测时只需要水印密钥和待测图像就可以恢复出嵌入的信息。
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。
In order to differentiate incidental attacks and malicious attacks, semi-fragile watermark must be robust against content-protection image processing.
为了能够区分偶然攻击与恶意篡改，半脆弱水印需要对一般的内容保护图像操作有一定的鲁棒性。
It does not need to use the original image to extract embedded watermark, therefore it is not only suitable for still images but also videos.
在检测水印时无需使用原图像，从而能够有效应用于图像和视频信号的水印处理。
The application can automatically add copyright text or a watermark to each image.
这个应用程序可以为图片自动添加版权文字或水印。
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。
At first, it quantizes the image coefficient vector gotten from DWT with the lattice vector quantization technology, then imbeds the watermark signal into the coefficient.
该算法先通过格矢量量化技术对经dWT变换后的宿主图像的系数矢量进行格矢量量化，然后将水印信号嵌入到量化后的系数中。
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。
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。
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