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【Graph program】 D9D446FD DL : 0: 数字水印技术模型表示及其算法研究辛海涛(哈尔滨商业大学计算机应用与工程学院，黑龙江哈尔滨15(1028)摘要：随着多媒体技术和网络技术的广泛应用，对图像、音频、视频等多媒体内容的保护成为迫切的问题“数字水印作为版权保护的重要手段和一种新型的信息隐藏方法，近几年得到了迅猛发展”．对当前数字水印分类，典型原理和算法，水印的提取、检测，数字水印以及相关技术做了论述，并对未来的研究方向作出展望．-digital watermarking technology model and algorithm research said Xin Hai- (commercial Harbin University of Engineering and Computer Application Hospitals, Harbin, Heilongjiang, 15 (1028) Abstract : With the multimedia and network technology to the broad application right images, audio, Video and other multimedia content protection has become an urgent issue "digital watermarking, as copyright protection, and an important means of a novel Information Hiding, in the past few years has been the rapid development. " Digital watermarking on the current classification, a typical principles and algorithms The watermark extraction, detection, digital watermarking and related techniques are discussed and future research directions prospects.
Update : 2024-05-03 Size : 280576 Publisher : ghostsx
【Graph program】 B2193AED DL : 0: 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，第三级垂直高频子带与低频子带边缘特征的QR分解结果进行比较，就可以准确认证图像是否经过攻击，并可以精确定位受攻击的部位。实验结果表明此方法的有效性和可行性。-a new image fragile watermarking algorithm Ya-Qin Li, Sun Xingming, Heng Yang Fu (1. Suzhou City Vocational University, Suzhou City in Jiangsu 215104; 2. Hunan University College of Computer and Communication, Changsha, Hunan 410082) Abstract : A wavelet transform based on QR decomposition and the image that the fragile water ways. Embedded watermark, the first of three original image wavelet decomposition, and then extract the third level sub-band edge features, Meanwhile this edge features and third-vertical high-frequency band for QR decomposition, Edge feature with the results of the replacement part of decomposition vertical high-frequency subband results to the corresponding parts of the water that is embedded. Finally inverse wavelet transform embedded watermark images. Image Authen
Update : 2024-05-03 Size : 231424 Publisher : ghostsx
【Graph program】 D542F922 DL : 0: 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、定位和自修复能力．-color image tamper detection and self-recovery algorithm Zhao Chunhui, Sun Jianjun, Zhu Haifeng (Harbin Engineering University, Information and Communication Engineering Institute, Harbin, Heilongjiang 150001) Abstract : digital watermark image authentication is one of the effective means. Using wavelet transform A simple calculation of the color image watermarking algorithm, an image of the main elements embedded in the image itself, and use of quantitative methods mean the luminance signal embedded watermark, achieve tamper detection and localization tampering with the region; use of surplus space embedded color luminance signals and chrominance signals, for the restoration of tampering with the image content. The algorithm can generate a higher signal-to-noise ratio of the peak value, h
Update : 2024-05-03 Size : 237568 Publisher : ghostsx
【Graph program】 2D451D05 DL : 0: 基于J PEG2000的数字水印蒋勇(西南科技大学计算机科学与技术学院四川绵阳621010)【摘要】：网络技术的发展为数字作品的传播提供了方便，同时也引发了对数字作品的盗版现象，如何保护数字作品的版权日益受到关注：JPEG2000作为ISO推荐的新一代静止图像压缩标准，由于其感兴趣区域编码，渐进传输等优越性能，有着广阔的应用前景。本文旨在研究保护JPEG2000图像作品版权的数字水印方案。-based digital watermarking Jiang Yong (Southwest University of Science and Technology Computer Science and Technology Institute in Sichuan Mianyang 621010) Abstract : the development of network technology for the transmission of digital works to provide a convenient, also triggered the right of pirated digital works, how to protect the copyright of digital works have been a growing concern : ISO JPEG2000 as recommended by the new generation of still image compression standard, because of its interest in regional coding, progressive transmission, and other advantages can be as broad application prospects. This paper is to study the protection of JPEG2000 images copyright of digital watermarking programs.
Update : 2024-05-03 Size : 132096 Publisher : ghostsx
【Special Effects】 CoxWmk DL : 0: 用二维离散余弦变换(DCT)进行数字水印matlab源码-two-dimensional discrete cosine transform (DCT) digital watermarking Matlab FOSS
Update : 2024-05-03 Size : 425984 Publisher : huanzizhao
【Special Effects】 WaterMarkLSB DL : 0: 一个简单水印系统，可以在图像中嵌入和提取水印，使用的是LSB方法，可供参考-a simple watermarking system that can image watermark embedding and extraction, using the LSB methods available for reference,
Update : 2024-05-03 Size : 1091584 Publisher : zhuxingliang
【Special Effects】 xxx1111 DL : 0: 利用matlab实现数字水印源码。提供了各种攻击的实现。-using Matlab digital watermarking source. Provide a variety of attacks realized.
Update : 2024-05-03 Size : 2048 Publisher : lum
【Special Effects】 watermark123 DL : 0: 图像数字水印软件，水印格式可为图像或文本。水印嵌入、提取算法各有dct,dwt两种。-software digital watermarking images, watermarks format for images or text. Watermark embedding and extraction algorithm with Extra, two dwt.
Update : 2024-05-03 Size : 327680 Publisher : Amber
【Special Effects】 watermarking-yuanma DL : 0: 数字水印常用变换如dct变换小波变换离散傅立叶变换等源代码-transform digital watermark used as Extra transform wavelet transform discrete Fourier transform, and other source code
Update : 2024-05-03 Size : 26624 Publisher : 王袍
【matlab】 ypsy DL : 0: 向音频信号加入伪随机序列的的音频水印源码-to the audio signal to the pseudo-random sequence of audio watermarking FOSS
Update : 2024-05-03 Size : 1024 Publisher : 李若
【Other】 3FCD2807 DL : 0: 一种基于视觉模型的DCT数字水印算法提出了一种水印系统与人眼视觉模型相结合的离散余弦变换数字水印算法。该算法利用了人眼视觉模型 (Hvs)来选取水印嵌入区域，使其既能够保证水印信息的鲁棒性又能够满足其不可见性。利用基于能量关系的算法进行水印嵌入。最后进行了仿真实验，嵌入水印的图像中很难发现水印的痕迹，具有较高的清晰度。-based on the visual model DCT digital watermarking algorithm presents a watermarking system and the human visual model Guitar with the discrete cosine transform digital watermarking algorithm. The algorithm uses the human visual model (Hvs) to select embedding region, it is to ensure watermark robustness is not able to meet its visibility. Based on the energy use of the embedded watermark algorithm. Finally, the simulation experiments, the embedded watermark image watermark is difficult to find traces of high clarity.
Update : 2024-05-03 Size : 716800 Publisher : ghostsx
【Other】 A24B997C DL : 0: 一种基于感知模型的盲水印算法：根据Watson模型，结合仿射变换置乱技术和DCT量化系数奇偶特性，本文提出了一种在分块DCT中频交流系数中嵌入有含义二值水印图像，以实现盲检测的水印方案。实验结果表明，该算法对于JPEG有损压缩、图像剪切等处理有很强的鲁棒性。-a model based on the perception of the blind watermarking algorithm : According to Watson model, with affine transformation Scrambling Technology and DCT coefficient quantization Parity characteristics, This paper presents a block in exchange DCT coefficient meaning embedded in a binary image watermarking, Blind to achieve the watermark detection program. Experimental results show that the algorithm for JPEG lossy compression, image processing shear is very robust.
Update : 2024-05-03 Size : 225280 Publisher : ghostsx
【Special Effects】 222222333333444444 DL : 0: 基于小波数字水印程序。很容易理解，适合本科生毕业论文中使用。-digital watermarking based on wavelet procedures. Very easy to understand, for the use of undergraduate dissertation.
Update : 2024-05-03 Size : 1024 Publisher : 荆泽
【Special Effects】 dwtprocedure DL : 0: 整个数字水印的程序。包括峰值信躁比的计算，各种攻击后的水印提取等等。-entire digital watermarking process. Including peak impatient than the letter, after the attacks watermark extraction, and so on.
Update : 2024-05-03 Size : 4096 Publisher : 荆泽
【Software Engineering】 watermark_2 DL : 0: 提出了一种离散小波变换域实现图像水印的方法。这种算法充分利用小波变换的特点,把原始图像及水印图像塔式分解,在多分辨率分解后的相同的频段来嵌入水印信息。该方法也利用了人眼视觉特性,算法简单而有效。实验证明,该算法较好地解决了水印不可见性与鲁棒性之间的矛盾,对常见的水印攻击都有较强的鲁棒性。-presents a discrete wavelet transform domain image watermarking method. This algorithm using wavelet transform characteristics, the original image and the watermark image tower decomposition, Multiresolution decomposition in the same frequency band to the embedded watermark. The method has also been used HVS, the algorithm is simple and effective. Experiments show that the algorithm can solve the watermark is visible with the robust nature of, common to have more attacks watermark robustness.
Update : 2024-05-03 Size : 151552 Publisher : yy
【Graph Recognize】 watermarketing DL : 0: 基于dwL的数宇水印程序，，一维离散小波变换-dwL based on the number of buildings watermarking procedure, a peacekeeping DWT
Update : 2024-05-03 Size : 1024 Publisher : abomb
【Special Effects】 NECdigitalwatermark DL : 0: 经典数字水印算法，包括GUI实现可直接运行-classic digital watermarking algorithm, including the realization of GUI can run
Update : 2024-05-03 Size : 5374976 Publisher :
【File Format】 12456897514254265825 DL : 0: 文章利用MATLAB语言及其小波工具箱，采用小波变换算法，开发数字水印嵌入系统，通过对原始静态图像和二值图像水印进行小波多分辨率分解，组合对应方向上的小波细节子图数据，从而实现了在原始静态图像上嵌入二值图像水印。有部分代码-article using MATLAB language and its toolbox, wavelet transform algorithm, development of digital watermark embedded systems, right through static images and the original binary image watermarking multiresolution wavelet decomposition, Portfolio corresponding direction on the details of wavelet-map data, thus realizing the original static image embedded binary image watermarking. Some code
Update : 2024-05-03 Size : 52224 Publisher : ming-ming
【Special Effects】 blindvc-image DL : 0: 盲水印 1.original image is 512*512 clormap.format of the image should be *.bmp. 2.watermark image is 64*64 binary image.format of the image should be *.bmp. 3.choose original image form menu "open" and add watermark from menu "watermark". 4.save image-signed from menu "save image-signed". 5.detect watermark from menu "watermark". 6.file"blindvc-image.exe" and file "key.bmp" must put one path.-Blind Watermarking 1.original image is 512* 512 clormap.format of the image should be*. bmp.2.watermark image is 64* 64 binary image.format of the image should be*. bmp.3.choose original image form menu open and add watermark from menu watermark .4. save image-signed from menu save image-signed .5. detect watermark from menu watermark .6. file blindvc-image.exe and file key.bmp must put one path.
Update : 2024-05-03 Size : 24576 Publisher : 卓灵儿
【Graph program】 lsbok.txt DL : 0: 数字水印图片信息隐藏在载体图片的最低有效位lsb，直接替换，该方法简单易操作，鲁棒性很差，经不起加噪，滤波，剪贴等攻击-digital watermarking Photo vector information hidden in the lowest effective photo-lsb direct replacement, The method is simple and easy to operate, robust poor and the inability to increase noise, filtering, clippings and other offensive
Update : 2024-05-03 Size : 243712 Publisher : chenxiang

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