数字水印技术属于信息安全的范畴。
The category of the digital watermarking technique belongs to the information security area.
鉴别照片真伪时，从中提取数字水印。
We extract watermarking from the photo when reality of digital photograph is authenticated.
数字水印是一种数字多媒体数据保护技术。
Digital watermarking is a technique which is used to protect digital multimedia data.
其一是数字水印，一种在电子内容里嵌入版权信息的技术。
One is digital “watermarking,” in which a bit of computer code is embedded in a file to identify it.
提出了基于DWT与迭代混合的数字水印算法。
An algorithm based on DWT and iterative blending was proposed.
数字水印技术是信息安全领域中的一项重要的技术。
Digital watermarking technology is an important technology in the field of information safety.
比如：数字水印、组织饰章、个人标识、原创标识等。
Examples: digital watermarks, organization crest, personal logo, originator identifier.
提出了一种基于自适应四叉树分形编码的数字水印技术。
This article introduces a digital watermarking technology based on adaptive quadtree fractal coding.
数字水印技术被看作辅助信息通信机制的一种特殊形式。
Digital watermarking techniques are seen as a special form of communications with side information mechanism.
本研究对数字水印技术的推广应用将起到积极的推动作用。
This research will play an effective role in the promotion and application of the digital watermarking technique.
有限域，有限群论，混沌理论，编码，数字水印，密码学。
Finite Field, Theory of Finite Groups, Chaos Theory, Coding, Digital Watermarking, Cryptography.
本文提出一种将彩色数字水印嵌入到灰度级图像中的方法。
A method of embedding a color digital watermark into a gray level image is proposed.
为了认证数码照片的真实性，采用了新出现的数字水印技术。
Authenticating reality of digital photograph, this paper applies novel digital watermarking technique.
提出了一种将彩色数字水印嵌入到原始彩色数字图像中的算法。
This paper presented a technique by embedding a color digital watermarking into an original color image.
本文提出了一种应用传输分集技术改善数字水印的稳健性的方案。
This paper present a scheme that applies transmit diversity technique to improve robustness of digital watermarking.
数字水印技术作为版权保护的重要手段，得到广泛的研究和应用。
Digital watermarking technology is widely studied and applied as an important way to protect copyright by embedding watermark in digital works.
本文对彩色水印技术进行了详细地研究，提出了一种双彩色数字水印方案。
In this paper, a dual color image watermarking algorithm is proposed based on the research of color digital watermark.
作为解决上述问题的一种有效途径，数字水印技术开始引起人们的普遍关注。
As a novel way to solve these problems, digital watermarking technology begins to be popularly researched and used.
在世界对数字版权问题的关注下，鲁棒数字水印技术得到了越来越多的重视。
Since the whole world is concerned about the digital copyright protection, the technology of robust digital watermarking catches more and more attentions.
传统上，在鉴别图像真伪时，采用事先在数字图像中嵌入数字水印或签名的方法。
The traditional method to distinguish true or false images is to embed digital watermarks or signatures in digital images in advance.
传统的利用分形编码嵌入数字水印的方法所需编码时间较长，对图像质量的影响大。
The traditional method of using fractal coding to embed watermarking often took a long time, which also strongly influenced the quality of images.
近年来，数字水印技术开始广泛用于数字图像，音频，视频和多媒体产品的版权保护。
In recent years, digital watermarking has been widely used in copyright protection for digital images, audio, video and multimedia products.
数字水印在帮助保持和验证数字作品的完整性上的应用具有独特的优势和广阔的前景。
Watermark has special advantage and foreground in helping to keep and verify integrity of digital work.
首先，本文介绍了数字水印问题的提出及其相关概念，阐述了本课题的研究背景和意义。
Firstly, this paper introduces the development and some related concepts of digital watermarking, which elucidates the background and significance of the research.
近年来，数字水印技术已经广泛应用于数字图像、音频、视频等多媒体产品的版权保护。
In recent years, digital watermarking has been widely used in copyright protection for digital image, audio, video or multimedia products.
数字水印技术是通过在原始数据中嵌入秘密信息—水印来证实该数据的所有权的完整性。
Digital watermark technology is the integrality of ownership verifying this data through embedding secret information - the watermark in initial data.
数字水印技术就是在这个背景下应运而生的，它可以有效地弥补传统信息加密方式的缺点。
Digital watermarking occurred in such a background, which can make up for the shortcomings of traditional methods of information cryptology.
本文首先介绍了数字水印系统的一般框架，水印的各种嵌入和检测方法，水印的攻击方法。
This thesis starts with the mainframe of the digital watermarking system, and introduces the general methods of watermark embedding, watermark detecting and watermarking system attacking.
研究了多类数字水印同时嵌入的问题，提出了一种同时嵌入两类水印的图像数字水印算法。
It is studied that the problems in embedding multiple watermarks simultaneously, and proposed an image watermarking scheme which embedded fragile and robust watermarks at the same time.
研究了多类数字水印同时嵌入的问题，提出了一种同时嵌入两类水印的图像数字水印算法。
It is studied that the problems in embedding multiple watermarks simultaneously, and proposed an image watermarking scheme which embedded fragile and robust watermarks at the same time.
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