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彩色图像的篡改检测及自恢复算法赵春晖,孙建军,朱海峰(哈尔滨工程大学信息与通信工程学院,黑龙江哈尔滨150001)摘要:数字水印是图像认证的有效手段之一.利用小波变换提出一种计算简单的彩色图像水印算法,将一个图像的主要内容嵌入该图像自身之中,用均值量化的方法在亮度信号中嵌入水印,实现篡改检测和定位篡改区域;用多余的色度空间嵌入亮度信号和色度信号,用于恢复被篡改的图像内容.该算法可以获取较高的峰值信噪比,具有很好的鲁棒性.实验结果表明,该算法对删除、替换等恶意图像篡改具有良好的检测、定位和自修复能
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对256色灰度图像或24位彩色图像利用小波变换加载水印,并提取水印-pair of 256-color gray-scale images or 24-bit color images using wavelet transform load watermark, watermark and Extraction
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利用小波变根据二进制数(水印)来改变图片,提取其中一个子带的直方图
-using wavelet under binary variable (Watermark) to change the picture, an extract of which the histogram subband
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Firstly, research on robust image watermarking. A digital watermarking scheme based on wavelet transform was proposed. It realizes the watermarking extract without the original image using 64×64×8 bit gray image as the watermark signal. In order to e
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本代码是一些关于水印处理的一些算法用小波变换来实现,在嵌入水印之后用各种攻击检验算法的鲁棒性-The code is some deal about a number of watermarking algorithm using wavelet transform to achieve, in the embedded watermark after the attacks with a variety of test algorithm robustness
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采用小波变换的方法实现了数字水印的嵌入与提取,效果非常不错!-Using wavelet transform method to achieve the digital watermark embedding and extraction, the effect is very good!
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用MATLAB写的数字水印的嵌入提取,基于小波变换的-Written using MATLAB embedded digital watermark extraction based on wavelet transform
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提出一种基于支持向量机( SVM)和遗传算法(GA)的离散余弦变换(DCT)域盲数字图像水印方法. 该方法能自适应于图像的局部特征. 依据图像块的局部特性,利用SVM对图像块分类,自适应地确定水印嵌入强度, GA用来优化水印嵌入位置. 实验结果表明该方法有较好的不可见性和较强对抗攻击的鲁棒性.-Based on support vector machine (SVM) and genetic algorithm (GA), discrete cosine transform (DCT) doma
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用小波变换实现嵌入和检出数字水印,并进行水印图像进行不同处理-Using wavelet transform digital watermark embedding and detection
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this watermarking is implemented using wavelet transform-this watermarking is implemented using wavelet transform..
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利用小波变换实现图像水印的嵌入与提取,提供的相关的算法-Using wavelet transform image watermark embedding and extraction related to the algorithm
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基于小波变换和HVS的数字水印算法研究,采用小波变换算法给图像嵌入数字水印。-Digital watermarking algorithm based on wavelet transform and HVS embedded digital watermark to the image using wavelet transform algorithm.
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变换域加密图像数字水印算法研究
本文主要对图像数字水印算法进行了研究,主要利用离散小波变换实现数字水印的嵌
入和提取,这是因为小波变换可以将信号或图像进行多分辨率分解,具有放大、缩小和
平移的数学显微镜功能,利用小波分解的特性可以将水印信息嵌入到载体图像的不同区
域,更好地抵抗各种信号处理操作。-Transform domain encrypted image digital watermarking algorithm of this paper, the image wate
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利用小波变换进行数字水印的嵌入和提取-Using wavelet transform digital watermark embedding and extraction
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针对嵌入水印的图像,用小波变换来提取各种被攻击的水印,效果好-Image for watermark embedding, using wavelet transform to extract all kinds of attacked watermark, effect is very good
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小波变换嵌入水印的程序,对于理解水印很有意义-The application of watermark against attacks using the wavelet transform, is very meaningful to understand the watermark
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利用小波包变换嵌入水印,适用于初学者了解-Using wavelet packet transform to embed watermark, suitable for beginners to understand
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用小波变换对图像中数字水印进行嵌入和提取并验证其算法鲁棒性好坏的源代码-Using wavelet transform in the image of the digital watermark embedding and extraction and validation of the algorithm is good or bad quality of the source code
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使用小波实现数字水印的嵌入与提取.-Digital watermark embedding and extraction using wavelet
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利用基于小波变换和矩阵奇异值分解方法给图片加水印,提取水印。可直接运行-Using wavelet transform and singular value decomposition based image to add watermark, the watermark extraction. Can be directly run
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