A blind digital image watermarking algorithm in DCT domain is proposed.
提出了一种DCT域的数字图像盲水印算法。
A digital image watermarking scheme based on Fourier domain is proposed.
提出了一种基于傅立叶域的数字图像水印算法。
A blind digital image watermarking based on fractional correlation is presented.
设计并实现了一种基于分数阶相关的盲图像水印算法。
In this paper we proposed a robust digital image watermarking based on image content.
为了增强水印的抗几何攻击能力，本文提出了一种基于图像内容的水印方案。
This paper addresses the digital image watermarking techniques based on discrete cosine transform (DCT).
本文主要研究了DCT域的数字水印算法在静止图像中的应用问题。
This thesis mainly studies adaptive digital image watermarking algorithms based on human visual system (HVS).
本文主要研究基于人眼视觉特性的自适应图像水印算法。
A novel digital image watermarking algorithm based on the association memory ability of neural network is proposed in this paper.
基于神经网络自联想记忆功能，提出了一种新的数字图像水印算法。
In this paper, we propose a digital image watermarking algorithm using the noise visibility function (NVF) based on wavelet quantization.
本文提出了一种基于噪声可见函数(NVF)量化的水印算法。
Digital image watermarking is a kind of new technology for copyright protection, and is also one of effective methods to protect author's profit.
数字图像水印技术作为一种新兴的版权保护技术，是对数字媒体产品进行版权保护的有效方法之一。
According to the digital image watermarking technology, two embedding algorithms based on DWT and corresponsive distilling algorithms are studied.
针对数字图像水印技术，比较系统地研究了基于DWT域的两种数字图像水印嵌入算法及对应的提取算法。
In view of the unique characteristics of document images, many algorithms for digital image watermarking can not be applicable for document images.
而且鉴于文档图像自身的特点，许多数字图像水印算法对文档图像并不适用。
In digital image watermarking and image encryption, researchers often require a pseudo random sequence which is statistically orthogonal to an image.
在数字图像水印、图像加密等领域，经常需要一个与图像正交的伪随机序列。
Many digital watermarks now available for images are sensitive to signal processing and geometric distortions, a robust digital image watermarking algorithm is proposed.
针对现有适用于图像的数字水印对信号处理和几何失真比较敏感的问题，论文首先提出一种稳健的数字图像水印算法。
In this paper, we propose an adaptive digital image watermarking algorithm using successive subband quantization (SSQ) and human visual system (HVS) based on wavelet domain.
本文提出了一种基于连续子带量化(SSQ)和人类视觉系统(HVS)的小波域自适应数字水印算法。
The research background and the present study of digital watermarking are given. The basic principle and the typical algorithm of digital image watermarking are mainly analyzed.
介绍了数字水印技术的研究背景和现状，分析了图像数字水印技术的基本原理和典型算法等。
Finally, the influence of different attacks, the various resolution levels, the intensity of watermarking and the different wavelet functions on digital image watermarking are researched.
最后，通过采用几种攻击方法、不同的小波分解层数、水印嵌入强度、不同小波基函数的选取来检测其对水印的影响。
In the dissertation, author discusses the relations of fractal with chaos and of fractal with wavelet, and introduces briefly the application of fractal in digital image watermarking techniques.
论文讨论了分形与混沌、分形与小波之间的关系，简要介绍了分形在数字图像水印技术中的应用。
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。
In recent years, digital watermarking has been widely used in copyright protection for digital image, audio, video or multimedia products.
近年来，数字水印技术已经广泛应用于数字图像、音频、视频等多媒体产品的版权保护。
On base of analysis of watermarking attacks on digital images, the paper presents a digital image copyright protection protocol based on digital watermarking technology.
在分析数字图像中数字水印所受各种攻击的基础上，给出了一个基于数字水印技术的数字图像版权保护安全协议框架。
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 presented a technique by embedding a color digital watermarking into an original color image.
提出了一种将彩色数字水印嵌入到原始彩色数字图像中的算法。
Zero watermark is a new digital watermarking technology without modifying the data of original image.
零水印是不对原图像数据进行修改的一种新的数字水印技术。
Digital watermarking is the technology that embeds secret information into digital multimedia data such as sound, image or video by using signal processing technology.
数字水印技术是用信号处理的方法在声音，图像或视频等数字化多媒体数据中嵌入隐蔽信息的行为。
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。
Still image digital watermarking and information embedding algorithms are studied in this thesis.
本文研究了静态图像的数字水印和信息嵌入问题。
There are now many published digital watermarking research papers covering image, video and audio documents, which demonstrate how effective these methods are.
目前，基于图像、视频和音频的数字水印研究成果很多，并且很多方法是比较有效的。
We put forward a fragile digital watermarking algorithm of still image according to the chaos system.
提出了基于混沌系统的静止图像脆弱性数字水印算法。
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。
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。
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