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水印植入的C代码,采用盲目植入与检测,附图象文件-c code for watermarking embedding. Blind watermarking embedding and detection algorithm. Test images are also included.
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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 Univ
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静态图像的鲁棒性数字水印算法,主要介绍一种新的鲁棒性盲水印,内附matlab程序-static image robust digital watermarking algorithm, introduced a new Robust blind watermark, containing Matlab procedures
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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
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数字图像水印的嵌入和提取算法-Blind-detection digital watermarking embedding and extraction algorithm. The program is made by C language. (watermark.rar file include test image file)
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ICA watermarking. Blind, fragile, robust
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一种嵌入可读水印的自适应盲水印算法,
本文提出了一种基于DWT的嵌入可读水印的自适应盲水印算法,通过分析图像经离散小波变换后细
节子带系数的特性,把细节子带系数的均值和方差作为水印信息的一部分来自适应地修改图像小波分解后某些细节
子带的系数值,在满足水印不可感知性的条件下自适应地嵌入水印信息,实现了水印不可感知性和鲁棒性之间的折
衷. 同时,水印的提取无须求助于原图像,很好的实现了水印的盲检测. 这里的水印是一幅有实际意义的二值图像. 实
验结果和攻击测试表明,本文提出的算
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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
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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)
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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.
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一种基于小波域灰度图像盲水印的新方法,
方案中利用了人类视觉系统(HVS)特征。-A new approach for non-blind watermarking of still
gray level images in the wavelet domain.The method uses
the Human Visual System(HVS)characteristic
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本算法采用matalab编写,实现了基于复Hadamard变换的盲数字水印算法-The algorithm adopts matalab writing, Hadamard transform based on complex blind watermarking algorithm is proposed
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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
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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
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对音频信号分帧加窗,对每帧进行三阶小波变换,取其逼近系数平均值(一般为零).在此嵌入二值图像 并有对潜入水印信号进行盲检,恢复其嵌入水印-Sub-frame of the audio signal increases the Hamming window for each frame impletment third-order wavelet transform, whichever is close to the average coefficient (usually zero). a
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摘 要: 提出了一种基于医学图像中感兴趣区域(ROI)的盲检测水印算法, 将包含重要病理信息的灰度图像作为数字水印, 经置乱后在混沌序列的控制下嵌入到宿主小波域非感兴趣区域中。实验结果表明, 该算法在保护医学 ROI 的同时提高了水印抗 JPEG 压缩的鲁棒性, 并对篡改、 几何剪切、 滤波等均具有良好的鲁棒性和透明性, 而且混沌序列增强了系统的安全性。-Abstract: This paper presents a region of interest based on medical ima
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Abstract- H.264/AVC is becoming a popular video codec for
its better compression ratio, lower distortion and applicability
to portable electronic devices. Thus, issues of copyright
protection appropriate for this standard become very
importan
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基于直方图技术的数字水印算法。本文介绍了一种利用直方图形成空位来添加水印的方法。-Histogram-based digital watermarking algorithm technology. This article describes the formation of a space histogram method to add a watermark.
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a high robust and non blind fft base audio and speech watermarking
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A Robust Blind Audio Watermarking Scheme Based on Singular Value Decomposition and Neural Networks
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