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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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research on authentication watermarking technology. Here a watermarking scheme for color image authentication is proposed, which operates in the wavelet domain.
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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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脆弱性数字水印能为多媒体内容完整性认证和篡改检测提供有效的解决方案。该文对用于图像认证的脆弱性数字水印技术的研究
现状、一般原理、基本特征、典型算法进行了综述-The vulnerability of digital watermark for the integrity of multimedia content authentication and tamper detection to provide an effective solution. The image authentic
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This matlab code is for paper "Biometric Image Integrity Authentication Based on SVD and Fragile Watermarking"
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基于DCT压缩前后不变量，编写的抗JPEG压缩的数字图像认证水印算法，具有良好的抵抗压缩、剪切、篡改等性能的水印仿真程序-Around the DCT-based compression is not variable, the preparation of the anti-JPEG compression algorithm for digital image authentication watermark with good resistance to compression, shea
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Matlab source code for DCT-based watermarking for grayscale images. DCT-based watermark recovering without resorting to the uncorrupted original image. Digital watermarking has been proposed as a viable solution to the need of copyright protection an
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YIK Image Authentication System using watermarking
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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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A watermarking paper for image authentication using HVS, only for research use
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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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a self- embedding block wise fragile watermarking scheme with tamper detection and content recovery capability. The proposed scheme embeds the shuffled extensive ten bit Recovery
data and two bit Authentication data of the image block into the leas
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java基于eclipse开发环境的数字水印认证系统，能完成水印嵌入，水印提出，图像认证，和篡改检测功能-java eclipse development environment based on digital watermarking authentication system, to complete the watermark embedding, watermark proposed image authentication and tamper detection
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Nowadays, with the rapid growth in formation technology more and more images and data are available on the internet. So there is a need to provide some kind of authentication to such important data. When the sender transmits the image to the receiver
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基于视觉密码的彩色图像水印。认证信息由标记的密码、水印和密码生成。-Visual cryptography based color image watermarking. Authentication information generated by the tag code, watermark and password.
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Digital watermarking is described as a viable method for the protection of ownership rights of digital audio, image, video and other data types. In case of images watermarking can be applied to different applications including publication monitoring,
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The image watermarking technology is a vital facet
about multimedia authentication and copyright protection to
improve its reliability and security. This paper proposes an
embedment of encrypted watermark in a JPEG image to address
the issues of
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