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。
This paper presents a communication model used to describe the watermark system, which imbeds the watermark through modifying the statistical parameters, and blind extraction is carried out.
针对这个难点，本文使用带有边信息的通信模型对水印系统进行描述，通过对该模型中的统计域参数进行修改来嵌入水印，并实现了水印的盲提取。
In this paper, a spread spectrum digital watermark based on Gaussian pyramid decomposition was proposed.
提出了一种基于高斯金字塔分解的数字图像扩频水印技术。
This paper mainly discusses the watermark technique applied in information security concerning digital image.
本论文主要探讨有关数字图像信息安全中的数字水印技术。
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。
This paper introduces video concept, main apply domain, main characteristic, classification and technological difficult point of video watermark at first.
本文首先介绍了视频水印的概念、主要应用领域、主要特征、分类以及视频水印研究的技术难点。
The concepts and theory about digital watermark are introduced in this paper. A kind of fragile watermark technology is given by means of digital image scrambling technology.
本文概括地介绍了数字水印技术的概念及原理，并利用数字图像置乱技术，给出了一种脆弱数字水印技术。
The invention relates to improvements in security substrates and in particular to fibrous security substrates, such as paper, incorporating a watermark.
本发明涉及安全基片的改进，尤其涉及带有水印的如纸张之类的纤维安全基片。
This paper borrows the idea from spread spectrum watermark, quantizes the wavelet transform coefficients the copyright protected image to produce a binary sequence, which is just the watermark.
本文的水印方法借助扩频水印的思想，通过量化函数对版权保护图像的小波变换系数进行量化，产生的二值序列作为水印。
In this paper, we proposes a digital watermarking algorithm based on image blocks in space domain with binary image, s watermark.
本文提出了一种以二值图像作为水印的基于图像块的空域数字水印算法。
In this paper a novel radix encoding scheme based on dynamic binary-tree is presented, and the constants existed in the watermark is encoded to tamper-proof the watermark itself.
本文提出了一种基于动态二叉树的水印基数编码方案，并对水印中的常量进行编码以达到水印防篡改的目的。
This paper introduces several kinds of digital graphic watermark methods, and advances a new method for spatial graphic annotation watermark.
介绍了图形数字水印的种种方法，提出了一种新的基于空域的图形注释水印方法。
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。
Feature of this paper: in association with HVS, the adaptive watermark strength is determined by using the excellent learning ability of SVR.
本文特色：结合人类视觉特性，利用SVR良好的学习性能，确定自适应的水印嵌入强度。
The technologies most used for reproduction of Chinese ancient books on Xuan paper such as digital ink jet, woodblock watermark, collotype and screen print were compared and analyzed.
系统分析比较了数码喷墨、木版水印、珂罗版复制、丝网印刷等当前宣纸古籍复制主流技术；
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。
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。
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 this paper an identifier (id) watermarking algorithm is proposed, which has the characteristics of error-correct, high redundance and adaptive watermark retrieval.
该文提出了一种新的标识符(ID)水印算法，具有误码纠错，水印高度冗余和自适应水印恢复三个特点。
The weak watermark method presented in this paper has wide applications.
可见该脆弱水印算法具有广阔的应用前景。
This paper discusses some basic characters of asymmetric watermark, and review some asymmetric watermarking algorithms and asymmetric watermarking protocols.
文章分析了非对称水印的基本特征，并对一些非对称方案，包括非对称水印算法和非对称水印协议进行了讨论。
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。
Based on digital signature and digital watermark, an ID - Based electronic seal system is proposed in this paper.
基于数字签名和数字水印技术，提出了一种基于身份的电子印章系统。
A new digital watermark detector is proposed in this paper, which is based on attacks characteristics complementary between different image processings.
这里基于图像处理的攻击特性的互补提出了一种新的数字水印相关检测器。
This paper studies the optimum detection model of the multiplicative spread-spectrum watermark embedded by fixed strength.
对以固定强度嵌入的乘性扩频水印的最优检测模型进行了研究。
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。
In this paper, it presents a digital watermark protocol used for copy tracing.
提出了用于盗版追踪的数字水印协议。
To improve the security against the counterfeiting attack, this paper proposes a secure dual watermark scheme for image tamper detection and recovery.
为提高可恢复双水印算法抵抗伪造攻击的能力，提出一种用于图像篡改检测和恢复的安全双水印算法。
This paper proposes an image processing method which is based on Bidimensional Empirical Mode Decomposition (BEMD). BEMD is applied in watermark embedding and extraction.
提出一种基于二维经验模式分解(BEMD)的图像水印嵌入算法，完成水印的嵌入和提取。
In this paper, the frail watermark is also discussed at some degree. The scheme on the frail watermark by using HASH function MD5 is testified by a simple experiment.
该文对脆弱性水印技术进行了一定的探讨，并通过简单实验验证了运用HASH函数md5的脆弱数字水印算法。
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