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抗几何攻击的盲数字水印技术耿敏,李恩平,梁华庆(中国石油大学电子信息工程系,北京102249)摘要:数字水印技术是解决数字作品版权保护的一个重要手段。衡量数字水印技术可靠性的标准是能否抵抗各种水印攻击,而几何攻击是目前困扰数字水印领域发展的突出问题,数字水印多采用盲水印算法。总结了当前抗几何攻击的各种盲水印方法,并对今后的研究方向进行了探讨。-Blind digital watermarking technology Min, Li Yun Ping, Liang Hua (China University of Petroleum Engineering Department of Electronic Information, Beijing 102249) Abstract : Digital watermarking technique is addressing the digital copyright protection an important means. Digital watermarking technology to measure the reliability standards ability to resist various watermark attack and the geometric attacks is troubled developments in the field of digital watermarking the outstanding issues, the use of digital watermarking blind watermarking algorithm. Summarizes the current attacks against the various geometric blind watermarking methods, and future research directions are discussed.
Update : 2008-10-13 Size : 243953 Publisher : ghostsx

介绍了一种一般的盲水印方安,它利用周期函数的性质来消除宿主数据对提取水印的影响。经过实验证明是有效地,通用的盲水印方案-This paper presents a blind watermarking Speaking generally, it is the nature of the use of periodic function to eliminate the host data on the impact of watermark extraction. After the experiment proved to be effective, common-blind watermarking scheme
Update : 2024-04-29 Size : 208896 Publisher : lulu

DCT数字水印算法的提取程序,具体是哪种算法,请自己参看程序,通过编译。非盲提取!-DCT Digital Watermarking Algorithm Extraction procedures, the specific kind of algorithm, please refer to its own procedures, through the compiler. Extraction of non-blind!
Update : 2024-04-29 Size : 1024 Publisher : zhutong

盲嵌入和线性相关检测,数字水印,例子只嵌入1比特信息来说明-Blind embedding and linear correlation detection, digital watermarking, for example, embedding only one bit of information to illustrate
Update : 2024-04-29 Size : 46080 Publisher : asdfnb

用c语言实现一种基于DCT系数均值的盲水印算法-C language implementation with a mean value based on the DCT coefficient of the Blind Watermarking Algorithm
Update : 2024-04-29 Size : 733184 Publisher : 杨毅

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ICA watermarking. Blind, fragile, robust
Update : 2024-04-29 Size : 342016 Publisher : archer

二值图像数字水印算法的一般方法,然后在此基础上给出了一种基于分块DCT的自参照直流系数盲检测二值水印方法。-A blind binary image digital watermarking algorithm is proposed in the DCT domain. The algorithm uses the correlativity of the inter-blocks DC components based on blocked DCT with binary image. No original binary image is needed when detecting the watermark. The algorithm is realized with the efficient and practical programming tools MATLAB, The effect of the corresponding parameters is analyzed in detail.
Update : 2024-04-29 Size : 36864 Publisher : 朱建伟

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基于MATLAB环境的音频水印提取源程序(非盲水印)-MATLAB-based environment for audio watermark extraction source (non-blind watermarking)
Update : 2024-04-29 Size : 1024 Publisher : shiyun

本章中提出了一种新的基于小波包的图像水印技术-In this paper, a novel blind digital watermarking algorithm using wavelet-packet decomposition is proposed.
Update : 2024-04-29 Size : 35840 Publisher : 丫丫

基于混沌加密的频率域自适应数字水印技术,混沌序列一是加密,二是实现盲检测-Based on Chaotic Encryption frequency domain adaptive digital watermarking technology, one chaotic sequence encryption is to make the blind detection
Update : 2024-04-29 Size : 2048 Publisher : 宁国强

提出了一个新的基于量化抖动和模式分组编码的盲数字图像水印算法,该算法首先在DWT(离散小波变换)的第 二层中频子带中随机选取相应位置的绝对值最大的系数作为水印的嵌入区间,对小波系数进行量化并根据分组编码原 理生成预嵌入模式,然后将一个二值水印图像嵌入到模式当中。-Proposed a new model based on quantitative jitter and packet-coded blind digital image watermarking algorithm, the algorithm first DWT (Discrete Wavelet Transform) and second layer of randomly selected sub-band IF the corresponding absolute value of the location of the largest coefficient watermark embedded interval, the wavelet coefficients to quantify and in accordance with principles of generating the pre-embedded block coding mode, and then a binary watermark image embedded in them patterns.
Update : 2024-04-29 Size : 402432 Publisher : 刘非

数字水印 离散余弦变换 混沌序列 外文资料 翻译材料-digital watermarking dct
Update : 2024-04-29 Size : 314368 Publisher : yaotingting

本文结合Arnold置乱与经典相关性检测方法提出了一种基于傅立叶域相关性检测的半盲水印算法。-In this paper, Arnold scrambling and classic detection method based on Fourier domain detection semi-blind watermarking algorithm.
Update : 2024-04-29 Size : 135168 Publisher : ericsion

盲水印提取时不需要参考原始载体图像,在信息隐藏、版权保护等方面具有更广泛的应用前景。提出的盲水印算法在分块离散余弦变换(DCT)和离散小波变换(DWT)的基础上,利用关系双方DCT系数和DWT系数在受到攻击时具有相同变化趋势的特点,采用关系嵌入和量化嵌入的自适应选择嵌入策略,较大幅度地提高了盲水印提取的鲁棒性。同时在量化嵌入中采用抖动调制,实现了水印透明性和鲁棒性调节的便捷性。大量仿真实验结果表明该算法对噪声干扰、低通滤波、JPEG压缩、对比度增强等攻击有很好的鲁棒性和透明性。关键词 数字水印盲水印关系嵌入量化嵌入离散余弦变换离散小波变换 按这篇文章的算法,自己编的matlab,没有攻击时水印提取率为1,加水印后图像PSNR有45+,。有攻击后提取率也有0.9+。-Blind watermark extraction can be fulfilled without referring to the original host image. Therefore it hasmuch prospective applications in the fields of information hiding and copyright protection. Based on blocking Discrete Cosine Transform (DCT) and blocking DiscreteWaveletTransform (DWT), the proposed blind watermarking algorithm uses an embedding strategy of adaptively selecting either relationship embedding or quantization embedding. The relationship em- bedding comes from the observation thatboth themagnitudes of coefficients concerned in the relationship usually have thesame change trend when the image is attacked. This strategy remarkably improves the robustness ofwatermark extraction.In addition, dithermodulation is used in quantization embedding, bywhich the tradeoff between transparency and robus-tness ofwatermarking can be easily adjusted. Simulation results show that the algorithm is fairly robust against the attacks such as noise, filtering, compression, and contrast
Update : 2024-04-29 Size : 758784 Publisher : CXF

blind watermarking in r , g,b planes using singular value decomposition in color images
Update : 2024-04-29 Size : 313344 Publisher : selva

空间域基于DC分量的盲彩色数字水印,根据直流系数的产生原理和分布特征,在空间域中嵌入水印。-A blind color image watermarking based on DC component in the spatial domain.By using the generating principle and distribution feature of the DC coefficient,the watermarking is inserted into the spatial domain.
Update : 2024-04-29 Size : 353280 Publisher : 张燕华

this the good paper for watermarking.-this is the good paper for watermarking.
Update : 2024-04-29 Size : 555008 Publisher : thuydung

A blind image watermarking
Update : 2024-04-29 Size : 471040 Publisher : leelasaladi

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code for 1 bit blind watermarking
Update : 2024-04-29 Size : 1024 Publisher : suja

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A Robust Blind Audio Watermarking Scheme Based on Singular Value Decomposition and Neural Networks
Update : 2024-04-29 Size : 238592 Publisher : Rajan007
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