基于混沌置乱的图像水印算法。
An image watermarking algorithm based on chaotic scrambling.
提出一种稳健的公开图像水印技术。
This paper presents a robust public watermarking for an image.
提出一种基于频域的盲图像水印算法。
A blind digital watermarking algorithm that is robust to crop is proposed.
图像水印技术主要是用来保护图像的版权。
Image watermarking techniques are mainly used for image copyright protection.
提出了一种基于傅立叶域的数字图像水印算法。
A digital image watermarking scheme based on Fourier domain is proposed.
图像水印的算法设计和攻击技术是互相促进的对立面。
The image watermarking algorithm design and the attack way are opposite to and promotional of each other.
设计并实现了一种基于分数阶相关的盲图像水印算法。
A blind digital image watermarking based on fractional correlation is presented.
提出了一种有效的基于水印dct的数字图像水印算法。
An efficient watermarking algorithm for digital image, based on watermark DCT, is proposed.
本文主要研究基于人眼视觉特性的自适应图像水印算法。
This thesis mainly studies adaptive digital image watermarking algorithms based on human visual system (HVS).
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。
A multipurpose color image watermarking algorithm for copyright notification and protection is proposed.
抗几何攻击的鲁棒图像水印算法研究是一项富有挑战性的工作。
In image watermarking, the watermark's vulnerability to geometric attacks has long been a difficult problem.
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。
A novel digital image watermarking algorithm based on the association memory ability of neural network is proposed in this paper.
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。
In this paper, a new robust image watermarking scheme against desynchronization attacks is proposed.
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。
Multiple image watermarking is a technology of embedding and detecting multiple irrelevant watermarks in a single digital image.
视频水印除了满足图像水印的一般特性之外，还必须满足实时特性。
Besides general requirements to be satisfied like image watermarking, video watermarking must take real-time property into account.
而近年来对音频水印的研究远远少于图像水印，双水印的研究则更加少。
Study of digital audio watermarking is less than that of image recently, and dual watermarking is much less.
提出的第二种新计划是基于DCT域的一种自适应数字图像水印技术的计划。
The second new scheme is a adaptive watermarking techniques for digital images based on DCT domain.
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。
In digital image watermarking and image encryption, researchers often require a pseudo random sequence which is statistically orthogonal to an image.
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 latest research on watermarking attack indicates that the robust evaluation used by image watermarking systems is incomplete as yet.
本文提出了基于自适应矩阵的二值图像水印嵌入算法和基于复杂矩阵的二值图像水印算法。
In watermarking algorithm based on adaptive matrix, firstly, an adaptable matrix is designed to evaluate the smoothness and the connectivity of binary images.
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。
A new spatial domain digital image watermark imbedding algorithm is presented in this paper by analyzing some spatial watermark algorithm.
研究了JPEG压缩标准和数字水印模型，提出一种基于JPEG压缩的二值图像水印算法。
It studies JPEG model and watermarking model and proposes an algorithm of watermark in compression domain.
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。
This paper proposes an image processing method which is based on Bidimensional Empirical Mode Decomposition (BEMD). BEMD is applied in watermark embedding and extraction.
通过经典的图像水印系统对比实验证明了双混沌置乱能提高水印安全性和抗剪裁攻击攻击性能。
Through the classic image watermarking system contrast experiment, it proved that double chaos scrambling can enhance security and boost anti-offensive.
结果表明两种图像水印算法均具有很好的不可见性，对常见的图像处理操作具有很强的鲁棒性。
The results show that two kinds of image watermarking algorithms do not all have good visibility of the common image processing operations are highly robust.
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。
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.
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。
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.
数字图像水印技术作为一种新兴的防盗版技术，实际上是运用数字图像处理技术来实现隐藏信息。
Image digital watermark is a booming technique, which, in fact, is information hiding technique using in image processing field.
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。
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.
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