watermark相关论文
The data stream processing framework processes the stream data based on event-time to ensure that the request can be res......
Transmitter identification (TxID) technique is used to diagnose the operation status of radio trans-mitters in DTV distr......
With the development of the Internet and mobile terminals, more and more pirate digital music resources are easily disse......
正交时频空(Orthogonal Time Frequency Space, OTFS)调制技术为处理时变多径信道中的高多普勒频移问题提供了巨大的潜力，其关键思......
A geometrical transformations resistant digital image watermarking based on quantization is described. Taking advantage ......
我们收集了一些非常实用、非常酷的网页设计技巧。使用这些技巧,你可以很容易地实现一些在其他网站看到的功能。也许专业的网页设......
A TTP-Independent Watermarking Protocol Based on Commutative Cryptosystem for Copyright Protection i
For the purpose of deterring unauthorized duplication and distribution of multimedia contents in e-commerce, some Buyer-......
提出了一种新颖的基于DCT域的自适应信息隐蔽通信算法.首先对原始图像块的多特性参数进行模糊聚类,将图像块分成两类,一类适合隐藏......
IELDVD060:9286:29507-327 0605155 基于块的小波域水印=Block based wavelet domain wa- termarking[会,英]／Burdurlu,H．／／Signal Pro......
Shizhuzhai, a store with a history of 400 years, has won worldwide fame by producing fine paintings and calligraphy and......
A technology for combining digital watermarks with two-color bitmap image based on the threshold watermarking method is ......
Digital watermarking has been proposed as a viable solution to protect the copyright of multime- dia data in a networked......
In this dissertation, sereral key problems in the field of steganographic image security are mainly studied and discusse......
以 JPEG2 0 0 0静态数字图像压缩标准原理为基础 ,对影响 JPEG2 0 0 0压缩图像的参数如压缩率、tile大小、DWT以及 JPEG2 0 0 0压......
Digital watermark can be used for image ownership verification or authentication. In this paper, we propose a new image ......
Geometrical attacks can destroy most watermarking systems at present. So how to efficiently resist such kind of attacks ......
This paper presents a digital rights management model, which considers the integrated factors including legality, commun......
Robust digital watermarking algorithm based on continuous hyperchaotic system and discrete wavelet t
A hyperchaos-based watermarking algorithm is developed in the wavelet domain for images.The algorithm is based on discre......
A new asymmetric watermarking scheme is proposed in this letter. In the proposed scheme, a secret real fractional DCT-I ......
In this paper,we propose a secure senti-fragile watermarking technique based on integer wavelet transform with a choice ......
A digital authentication watermarking scheme for JPEG images with superior localization and security
The drawbacks of the current authentication watermarking schemes for JPEG images, which are inferior localization and th......
该文提出了一个在打印文本中添加隐藏信息的方法.加入隐藏信息的文档在外观上与原文档不会有明显的差别.隐藏信息的提取在600dpi及......
Part Ⅲ of AVS (China Audio and Video Coding Standard) is the first generic audio standard proposed in China and is beco......
An effective blind digital watermarking algorithm based on neural networks in the wavelet domain is presented. Firstly, ......
数字水印技术将在电力系统中得到广泛应用。文中提出一种半脆弱的数字声音水印算法。该算法通过量化被选参数将水印信息嵌入原始声......
Different digital watermarking techniques and their applications are briefly reviewed. Solution to a practical problem w......
Zero-watermark technique,embedding watermark without modifying carriers,has been broadly applied for copyright protectio......
提出了一种基Arnold变换和DCT算法的数字水印算法.利用Arnold变换将水印图像变成无意义的图像,再对载体图像做DCT变换,将变换后的......
为了研究水印辅助的低密度奇偶校验（LDPC）方案在高速相干接收光通信系统中的译码性能,提出了一种适用于相干光通信系统的水印符号辅......
The fractional logistic map holds rich dynamics and is adopted to generate chaotic series.A watermark image is then encr......
近几年来,针对越来越恶劣的侵权、盗版、恶意篡改数字产品等犯罪行为,国际上出现了一种新型的多媒体保护技术——数字水印.一般的,......
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A Novel Image Digital Rights Management Scheme with High-Level Security, Usage Control and Traceabil
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
首先,对原始影像进行分块,通过伪随机序列选择要嵌入的影像块;然后,采用量化的方法在每一块的DCT低频系数中嵌入水印信息;最后,通......
针对遥感影像数据,提出了一种基于影像重定位和遍历检测的盲水印算法。实验结果表明,该方法可以有效抵抗压缩、滤波等常见的图像处......
随着数字视频水印技术被广泛应用于视频信息的版权保护,提出一种基于H.264码流的数字视频水印方案.根据经典算法 H&G 算法的部分解......
提出一种整数小波变换的三维网格数字水印算法.网格顶点到网格中心的距离具有全局几何特性,利用整数小波变换把距离序列变化到频域......
作为保护知识产权有效手段的数字水印技术越来越成熟、实用,为了帮助非专业人员选取合适的数字水印,设计了用于数字水印类型选择的......
随着数字技术和因特网的发展,各种形式的多媒体数字作品(图象、视频、音频等)纷纷以网络形式发表,而版权保护则成为一个迫切需要解......
为了实现信息的有效隐藏，文章提出了一种自适应的数字水印算法．算法充分利用JPEG 2000标量量化的特性进行量化编码．先利用线性反馈移......
数字水印是现在多媒体信号处理研究的一个热点,已经有许多关于数字水印嵌入和提取的方法.增强数字水印的鲁棒性是数字水印问题的关......
本文根据模运算的结果在DCT域低频系数的直流分量嵌入水印,算法表明：该算法具有教强的鲁棒性,能抵御裁减、压缩等图像操作攻击。......
This letter presents a method for digital image watermarking for copyright protection. This technique produces a waterma......
研究水印的图像版权保护问题,由于要求证明水印的存在和代表所有权,针对图像水印加载算法容易导致原始图像信息丢失的缺陷和破坏保......
数字图像水印研究中,针对图像水印鲁棒性和隐蔽性的矛盾、数字水印本身的安全问题,结合混沌系统原理,提出一种Logistic双混沌系统......
提出通过时分块图像的DCT系数进行动态范围压缩来改进传统的基于DCT变换的图像自嵌入水印算法，并结合友度变换函数与JPEG标准量化表......
本文提出了一个在打印文本中添加隐藏信息的方法。加入隐藏信息的文档在外观上与原文档不会有明显的差别。隐藏信息的提取在600dpi......
针对图像水印存在的问题,提出小世界网络体系算法.首先建立小世界网络体系,神经元节点与离自己最近的两个神经元节点连接并构成环......
