At present, watermarking technique has been a kind of effective means to multimedia copyright authentication and its integrity protection.
目前数字水印已成为多媒体版权认证和完整性保护的有效手段。
A new image blind watermarking algorithm based on adaptive quantization step in discrete wavelet transform (DWT) is proposed, which can be used in copyright authentication.
提出了一种可用于版权认证的基于小波变换域自适应量化步长的图像盲水印算法。
In this dissertation, the robust watermarking for image copyright protection and the semi-fragile watermarking for image authentication are studied in detail. The main contribution includes.
本论文针对用于图像版权保护的稳健水印和用于图像认证的半脆弱水印进行研究。
Applications of watermarking include not only copyright protection, but also document authentication, covert communications and data embedding, etc.
数字水印技术的应用除了版权保护，还包括内容认证、隐蔽通信和数据嵌入等等很多方面。
As an effective implements in the copyright protection and integrity authentication for multimedia, digital watermarking techniques has become an active and flouring research topic.
数字水印技术是对多媒体版权进行保护和完整认证的有效工具之一，近年来成为研究热点。
Double Digital Watermarking Method based on Transform Domain has realized the double aims of the copyright protection and the integrity authentication of image content.
基于变换域的双重数字水印方法，通过嵌入鲁棒水印和脆弱水印实现了图像内容版权保护和完整性认证的双重目的。
The traditional techniques of copyright protection and content authentication are cryptology technique and digital signature technique.
传统的版权保护和内容认证技术是密码技术和数字签名技术。
Information hiding techniques embed information into digital media for purpose of copyright protect, identification, authentication.
信息隐藏技术将信息嵌入到数字媒体中以达到版权保护、识别、认证等目的。
It attempts to embed copyright and authentication codes within media content to identify the true owner and authenticate the digital information.
它可在多媒体数据中嵌入版权信息或认证信息来识别多媒体数据的真正所有者和验证多媒体数据的真伪。
With the development of computer network and multimedia technology, copyright protection and authentication become more and more urgent.
随着多媒体技术和网络技术的飞速发展和广泛应用，版权保护和安全认证成了迫切需要的问题。
This article presents how to use timestamp, one-way watermarking mechanism and authentication mechanism of the copyright protection to avoid the copyright disputes from interpretation.
为此本文详细介绍了如何利用时戳机制、单向水印机制和数字作品版权保护认证机制来避免由于解释攻击引起的无法仲裁的版权纠纷。
Traditional cryptography technology focused on the access control and confidentiality communications of digital products, but for authentication and copyright piracy tracing it is insufficient.
传统的密码学技术侧重于对数字产品的访问控制和保密通信，但是对版权认证和盗版追踪问题显得力不从心。
With the superiority in the field of the copyright protection in multimedia and the authentication of media, the technology of digital watermarking is becoming one of the hot-spots.
数字水印技术因其在多媒体版权保护、媒体认证技术方面所具有的优势，逐渐成为人们研究的热点之一。
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。
Digital watermarking is used for copyright protection, authentication of multimedia and so on.
数字水印技术可以用于版权维护、多媒体认证等方面。
To offer technological authentication for copyright disputes as entrusted by various judicial authorities and copyright administrations.
接受司法机关和著作权行政管理机构的委托，对版权纠纷进行技术鉴定。
It has brought us great convenience and a great number of information security problems as well. Such as information theft, copyright protection of multimedia data and image authentication.
它给人们带来种种便利的同时也带来了一系列的信息安全问题，比如信息窃取问题、多媒体信息的版权保护问题、信息篡改问题等。
The encryption, secret storage, and authentication of user-identity-identifier are the necessary steps in the copyright protection for software, and so on.
对用户身份标识进行加密、隐秘存储与认证是软件等版权保护所必须首先经历的步骤。
Based on digital watermarking and applied cryptology, an authentication scheme for copyright protection of digital product is proposed.
为了解决数字版权保护中的用户密钥泄漏问题，提出了一种基于双线性映射的叛逆者追踪方案。
Digital fingerprinting has been suggested in the literature as the most effective means for copyright protection and authentication.
数字指纹技术在这种背景下应运而生，因其能够有效地解决多媒体版权保护问题。
Digital fingerprinting has been suggested in the literature as the most effective means for copyright protection and authentication.
数字指纹技术在这种背景下应运而生，因其能够有效地解决多媒体版权保护问题。
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