The authentication watermark was generated according to the image feature which was the mean of an image extracted from FRIT.
提取图像在FRIT时产生的均值信息作为图像内容特征，并由它生成认证水印。
This paper presents a novel semi-fragile watermark algorithm for image authentication and recovery.
提出一种新的用于图像认证及恢复的半脆弱水印算法。
In addition a digital watermark authentication arithmetic aimed at the MPEG standard is proposed.
同时提出了一套针对MPEG视频协议的半脆弱数字水印认证算法。
Through experiments the method can hide watermark in MPEG-4 video stream more rationally, the capacity of watermark increases greatly and the authentication precision locates in block level.
实验结果表明，算法更合理地将水印嵌入在MPEG-4视频流中，水印容量得到较大提高，对恶意攻击的认证精度定位在块级别。
In order to solve the problem of integrality authentication for low bit-rate video, a novel video authentication schema based on the fragile watermark is proposed.
为了解决低码率视频完整性认证问题，提出了一种基于脆弱水印的视频认证方案。
Digital Watermark plays an important role in protecting Copyrights of digital data, preventing the pirate of digital data as well as providing authentication.
数字水印技术在数字化作品版权保护和内容认证方面发挥着重要的作用。
It can provide effective protection for digital media forgery, falsification, authentication, security and intactness by embedding a special mark (digital watermark) into the multimedia data.
它主要通过在媒体信息中嵌入标记信号(数字水印)，为媒体信息在防伪、防篡改、认证、保障数据安全和完整性等方面提供有效的技术手段。
The original watermark is divided into the robust watermark and the semi-fragile watermark for copyright protection and image authentication.
原始水印分为鲁棒水印和半脆弱水印，分别用于版权保护和图像认证。
Image authentication needs to contrast with the digest and watermark character to confirm whether the content is tampered.
验证图像时需同时通过与摘要的对比以及与水印特征的对比来确定内容是否被篡改。
It don't need to add any ideograph or watermark in the digital images, the authentication only depend on the characteristics of the images.
它事先不需要往图像数据中添加任何签名或水印信息，仅仅依靠图像自身的特性进行认证。
In order to provide the anti-counterfeiting for brand authentication, a fragile watermark algorithm is designed and implemented based on the analysis of the process of cloth manufacturing.
针对提花织物防伪问题，在分析提花织物生产工艺的基础上，提出了一种用于真伪认证的基于小样图的易损盲水印算法。
The invention further discloses a watermark embedding device, a method and a device for removing watermarks, and a watermark authentication system.
本发明还公开了一种嵌入水印的装置，一种移除水印的方法和装置以及一种水印认证系统。
In addition a digital watermark authentication arithmetic aimed at the MPEG standard is propose...
同时提出了一套针对MPEG视频协议的半脆弱数字水印认证算法。
A novel video content authentication scheme, based on cloud watermark and shot segmentation, is proposed.
基于云水印及镜头分割技术，提出了一种新颖的视频内容认证方案。
Based on the characteristics of the binary image, we present a digital watermark authentication method with the supervisory relationship of Hamming Code.
结合二值水印图像的特点，运用海明码的监督关系式，首次提出了一种基于海明码的像素级数字水印检测方法。
Based on the characteristics of the binary image, we present a digital watermark authentication method with the supervisory relationship of Hamming Code.
结合二值水印图像的特点，运用海明码的监督关系式，首次提出了一种基于海明码的像素级数字水印检测方法。
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