An image watermarking algorithm based on chaotic scrambling.
基于混沌置乱的图像水印算法。
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 multipurpose color image watermarking algorithm for copyright notification and protection is proposed.
本文提出一种用于版权通知和保护的多功能彩色图像水印算法。
In this paper, a new robust image watermarking scheme against desynchronization attacks is proposed.
如何有效抵抗去同步攻击是数字图像水印研究领域的热点问题之一。
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 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。
Based on the similarity of watermark system and communication transform system model, there is an image watermarking method proposed here which adopts convolutional encoding technique.
文章利用水印系统与通信传输模型的相似性，在图像数字水印算法中引入一种编码技术。
In this paper, a multipurpose image watermarking algorithm based on chaos and DWT (Discrete Wavelet Transform) is proposed.
提出了一种基于混沌的DWT域多功能图像数字水印算法。
Secondly, on the basis of the frequency domain algorithm, a valid robust blind image watermarking algorithm is designed.
二是在频域算法的基础上，设计了一种高稳健性图像盲水印算法。
Absrtact: Proposes a blind robust image watermarking algorithm based on DWT and DCT.
摘要：文中提出了一种DWT与DCT相结合的灰度图像盲水印算法。
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。
A novel meaning binary image digital watermarking algorithm based on DWT and DCT is proposed.
提出一种基于DWT和DCT域的有意义二值图像数字水印算法；
The original image isn′t needed in detecting watermarking.
在检测时不需要原始图像，属于盲水印。
This paper proposes a fragile watermarking method for image authentication.
该文提出了一种用于图像鉴定的脆弱水印方法。
It's difficult to detect blindly the image rotation Angle in blind watermarking under geometry attack.
抗几何攻击的盲检测数字水印的难点是图像旋转角度的盲检测。
Image watermarking techniques are mainly used for image copyright protection.
图像水印技术主要是用来保护图像的版权。
Multiple image watermarking is a technology of embedding and detecting multiple irrelevant watermarks in a single digital image.
多重图像水印就是在一幅图像中嵌入和检出多个不相关水印的技术。
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。
Invisible image watermarking is an effective method to provide protection for copyright ownership of digital media.
图像隐形水印是解决数字媒体版权保护的有效手段。
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。
Then an adaptive image watermarking algorithm based on DCT is proposed to solve these problems.
继而设计并实现了一个较完整的基于DCT域的自适应图像隐形水印算法。
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。
A spatial domain image watermarking algorithm based on chaotic maps is proposed.
提出一种基于混沌序列的图像空域水印算法。
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。
With a quantification method, the original image is not required for extracting the watermarking.
在水印嵌入时采用量化的方法，使提取时不需要原始图像。
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 proposes a new image watermarking scheme in order to solve the contradiction between imperceptibility and robustness.
针对如何解决水印不可见性和鲁棒性矛盾这一问题提出了一种新的水印方案。
The latest research on watermarking attack indicates that the robust evaluation used by image watermarking systems is incomplete as yet.
最新的数字水印攻击研究表明，至今为止图像水印系统所使用的鲁棒性评价是不完善的。
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。
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。
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