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一种新的图像脆弱水印算法李亚琴 ，孙星明 ，杨恒伏(1．苏州市职业大学，江苏苏州215104；2．湖南大学计算机与通信学院，湖南长沙410082)摘要：提出一种基于小波变换和QR分解的图像脆弱水即方法。嵌入水印时，首先对原始图像进行三级小波分解，然后提取第三级低频子带的边缘特征，同时对此边缘特征和第三级垂直高频子带进行QR分解，用边缘特征的一部分分解结果替换垂直高频子带分解结果的相应部位来嵌入水即，最后进行小波逆变换得到嵌入水印的图像。图像认证时，首先对观测图像进行三级小波分解，第三级垂直高频子
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用于JPEG2000图像认证的半脆弱性数字水印算法,一种新的算法-JPEG2000 image authentication for the semi-fragile watermarking algorithm, a new algorithm
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基于空域的脆弱水印算法，该方法最具代表性的是最低有效位（LSB）法，也就是文件中的方法，两个文件分别给出了水印的生成和检测。-Airspace based on fragile watermarking algorithm, the method is the most representative of the least significant bit (LSB) method, which is the method of the document, two documents were
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基于小波DWT域的脆弱水印，可以检测图像是否发生篡改-DWT-based wavelet domain fragile watermarking, can detect whether there has been tampering with images
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基于空域的脆弱水印，可以有效检测出图像发生篡改的区域-Airspace based on fragile watermarking can effectively detect the occurrence of tampering with the image of the region
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内容认证半脆弱水印算法的研究与实现,本程序实现图像的半脆弱水印，是基于DCT的算法，特别适合研究半脆弱水印的同志-Content authentication semi-fragile watermarking algorithm for Research and Implementation of, the procedures for the realization of the semi-fragile watermarking images is based on the DCT alg
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自己写的基于DCT和Logistic映射的脆弱水印算法嵌入算法-Write your own based on the DCT and the Logistic map fragile watermarking embedding algorithm
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脆弱及半脆弱水印论文10篇，包括用于图像认证的水印，文本水印，音频水印的论文-Weak and semi-fragile watermarking papers 10, including those for image authentication watermark, text watermarking, audio watermarking papers
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main categories Robust and Fragile Watermarking
Techniques. The former is mainly used for copy right
protection and fingerprinting applications, in which the goal
of watermark is to sustain under all kinds of attacks that
intend to remove the
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main categories Robust and Fragile Watermarking
Techniques. The former is mainly used for copy right
protection and fingerprinting applications, in which the goal
of watermark is to sustain under all kinds of attacks that
intend to remove the
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通过在语音信号中嵌入鲁棒性水印和脆弱性水印，实现对数据的版权保护。-Embedded in the speech signal through robust watermarking and fragile watermarking, copyright protection to achieve the data.
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基于DWT域的脆弱水印，上数字图像处理课的大作业-Fragile watermarking based on DWT, digital image processing course
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基于空域的脆弱水印，，上数字图像处理课的大作业
-Fragile watermarking based on airspace，homework of digital image processing
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脆弱型水印算法。先用校验和算法计算图像的高7位，得到一个56位的数据，嵌入到图像中。-Fragile watermarking. The first image with the checksum algorithm to calculate the high-7, by a 56-bit data, embedded into the image.
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提出一种基于图像认证的半脆弱数字水印算法。该算法具有较好的自适应性，采用改进的低通滤波器，根据人眼的分辨能力设定
梯度阈值。实验结果证明，该算法对常规图像处理操作具有较强的鲁棒性，能够抵御JPEG顶级有损压缩，同时对于恶意篡改攻击(擦除、扭曲、挤压、光照等操作)表现出脆弱性，可检测出篡改的痕迹和类型。 -A semi-fragile watermark algorithm for image authentication is proposed, which has adaptabilit
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文档内容是基于小波域的脆弱水印嵌入和提取的算法代码。原图像为灰度图像，水印为二值水印图像。-The document content is based on wavelet domain fragile watermarking embedding and extraction algorithm code. The original image to grayscale watermark for the binary watermark image.
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脆弱水印的matlab实现 脆弱水印的matlab实现-Fragile watermarking matlab implementation
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当前图像脆弱性水印的研究主要从完全脆弱水印,半脆弱水印,图像可视内容的真伪鉴别与自嵌入式水印四个层次进行研究。该算法是完全脆弱图像水印的matlab实现-Completely fragile image watermarking matlab implementation
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该程序是基于内容认证的半脆弱图像水印，是脆弱水印中的一种。-The program is certified content-based semi-fragile image watermarking is a fragile watermark.
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Some paper based on Matlab based semi fragile watermarking
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