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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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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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利用离散小波改进算法在图像中添加水印并可准确提取-Improved algorithm using discrete wavelet add a watermark in the image can be accurately extracted
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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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Matlab鲁棒水印添加、提取程序源代码，使用离散小波变换方法。鲁棒性优秀，可实现盲水印。-Matlab robust watermarks, extract the source code, using the discrete wavelet transform method. Excellent robustness can achieve the blind watermark.
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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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在Matlab环境下实现图片的水印嵌入，利用离散小波变换，较好的实现了应有的功能，并且通过计算PSNR值很好的验证了水印算法的不可见性和鲁棒性。-Watermark image is realized in Matlab environment, using the discrete wavelet transform, achieve a better functions, and are in good agreement with the watermark imperceptibilit
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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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用matlab实现的基于三级小波变换的数字水印源程序，能够实现水印的嵌入和提取。-Using matlab realize the three wavelet-based digital watermarking program to achieve watermark embedding and extraction.
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在图像中加入水印，使用2维离散Daubechies小波变换在图像中加入水印，重构图像，通过检测阈值，将阈值对应水印分离。-Add watermark in the image, using two-dimensional discrete wavelet transform Daubechies watermark in the image, the reconstructed image, through the detection threshold, the threshold corre
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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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使用DWT小波变换对载体图像进行变换，然后将水印置乱嵌入载体图像中，利用SVD的方法嵌入-Using DWT wavelet transform for image transform, then embed watermark scrambling to carrier image, the method of using SVD is embedded
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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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本课题为基于MATLAB的小波变换dwt和离散余弦dct的多方法对比数字水印系统。带GUI交互界面。有一个主界面GUI，可以调用dwt方法的子界面和dct方法的子界面。流程包括，读取宿主图像和水印图像，嵌入，多种方法的攻击（剪切，加噪，旋转等），提取，最后利用psnr峰值信噪比进行评价不同攻击下，鲁棒性的好坏。(This topic is based on MATLAB wavelet transform DWT and discrete cosine DCT multi method comp
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