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在现在信息的安全性得到了重视,水印技术在信息隐藏中是一种新的方法。这篇文章能够帮助我们理解水印技术。-now information security has been the focus of attention, watermark technology in the Information Hiding is a new approach. This article can help us to understand watermarking technology.
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采样一幅图.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.-a sampling plan. Using wavelet based binary variable (Watermark) to change the picture, which extraction of a subband histogram.
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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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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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it s about digital watermark using LSBs, DCT and Wavelet methods
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一种基于小波变换的灰度数字水印嵌入算法,使用matlab实现,含有原始论文。不过不是很理想,希望大家改进-Gray-scale based on wavelet transform digital watermark embedding algorithm, using matlab implementation, containing the original papers. But not very good, hope that we improve the
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All three, Discrete Wavelet Transform (DWT) - Singular
Value Decomposition (SVD) and Adaptive Tabu Search
(ATS) have been used as mathematical tools for embedding
data into an audio signal. In this paper, we present a new
robust audio waterma
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数字水印嵌入算法,利用离散小波变换的(dwt)算法-Digital watermark embedding algorithm, using discrete wavelet transform (dwt) algorithm
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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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实现基于小波变换数字水印的嵌入和提取,并实现对压缩,噪声等攻击的检测。-Using the same key after a chaotic sequence of scrambling the watermark information to achieve the double encryption, consider the wavelet energy distribution problem, the watermark information embedded in low-freq
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The code implements the following paper:
Guorong Xuan, Jiang Zhu, Jidong Chen, Shi Y.Q., Zhicheng Ni, Wei Su, "Distortionless data hiding based on integer wavelet transform" IET Electronics Letters, Volume: 38, Issue 25, page 1646- 1648, Decembe
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This a watermark soucecode based on Spacial Domain Algorithm implemented by using Delphi7.0. The main idea is to embed the binary watermark into th
- transparent digital watermarking and digital watermarking Wavelet the note. Pictures were revised
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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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基于小波的音频水印嵌入代码。采用DB1小波-Wavelet-based audio watermark embedding code. Using wavelet DB1
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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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video watemarking using wavelet and fft based transforms.video watemar king using wavelet and fft based transforms.video watemarking using wavelet and fft based transforms.-video watemarking using wavelet and fft based transforms.video watemarking us
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