In this context, emerged the digital watermark technology.
在这种背景下，数字水印技术应运而生。
The main research aim of digital watermark is copyright protection.
数字水印的主要研究目的是版权保护。
This paper presents a novel blind audio digital watermark algorithm.
该文提出了一种新的盲音频水印算法。
The main purpose of digital watermark is copyright protection of digital work.
数字水印主要用于数字作品的版权保护。
A method of embedding a color digital watermark into a gray level image is proposed.
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。
The digital watermark is a new copyright protection technique of information products.
数字水印技术是一种新型的数字产品版权保护技术。
A utilizable Digital watermark system should own good Robustness, security, transparency.
一个有效的水印体系必需具备较强的鲁棒性、安全性和透明性。
A novel public digital watermark algorithm based on image energy and quantization is proposed.
提出了一个新的基于图像能量和量化的公开数字水印算法。
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。
The digital watermark technique is proposed based on Fresnel hologram and Discrete Cosine Transform.
提出了一种基于数字菲涅耳全息和离散余弦变换的数字水印技术。
In this paper, a spread spectrum digital watermark based on Gaussian pyramid decomposition was proposed.
提出了一种基于高斯金字塔分解的数字图像扩频水印技术。
Digital watermark is wrapup marks in the way of signal processing in digitized hyperactive data imbedded.
数字水印是用信号处理的方法，在数字化的多媒体数据中嵌入的隐蔽标记。
This arithmetic can detect the digital watermark without the original carrier image and the original watermark.
该算法在抽取水印时不需要原始载体图像和原始水印。
Based on digital signature and digital watermark, an ID - Based electronic seal system is proposed in this paper.
基于数字签名和数字水印技术，提出了一种基于身份的电子印章系统。
Furthermore, we briefly introduce some kinds of existed steganalysis methods and digital watermark attack methods.
此外，我们还简单介绍了几种信息隐藏分析方法和水印攻击方法。
Digital watermark technique is one of the most active research topics in the safety field of multimedia information.
数字水印技术是多媒体信息安全领域的一个重要的研究课题。
In this paper, a dual color image watermarking algorithm is proposed based on the research of color digital watermark.
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。
Digital watermark technology confirms the ownership of the data through embedding secret information to original data.
数字水印技术是通过在原始数据中嵌入秘密信息来证实该数据的所有权。
Therefore, the research on digital watermark technology has its significance for copyright protection of digital media.
因此研究数字水印技术对于数字媒体的版权保护有其重要意义。
Experimental results show that this method based on digital watermark can protect the copyright and realize image retrieval.
实验结果表明，基于数字水印的图像检索方法能保护数字作品的版权并实现图像检索。
Image digital watermark is a booming technique, which, in fact, is information hiding technique using in image processing field.
数字图像水印技术作为一种新兴的防盗版技术，实际上是运用数字图像处理技术来实现隐藏信息。
By still image compression coding technique, the color digital watermark is encoded into a series of binary ID Numbers for watermarking.
利用静态图像的压缩编码技术，将彩色数字水印编码为一系列二值id数字，以实现水印的嵌入。
Main ideas as follows: Research of audio digital watermark Algorithm based on Fast Fourier Transforms and psychoacoustic auditory model.
主要工作有：基于快速傅立叶变换与声学模型的音频数字水印算法研究。
One approach for copyright protection is to introduce an invisible signal, known as a digital watermark, into an image or video sequence.
如今一个有效的途径就是在图象或者视频序列中嵌入一个不可见的信号——称为数字水印，来进行版权保护。
The strategy of segment transform and the whole wavelet coefficients modification is adopted to improve the robustness of the digital watermark.
采纳分段变换及整体修改策略，增强了数字水印嵌入的稳定性；
Utilizing the capability of digital watermark to convey side information, an effective error concealment method for reconstructed video is proposed.
利用数字水印传递额外信息的能力，提出了一种有效的视频误码掩盖方法。
Characters and common attacks of transform domain digital watermark system were analyzed on emphasis. And we give some corresponding countermeasures.
着重分析了变换域数字水印系统的特征及常见攻击，给出了一些相应的对策。
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。
To ensure the secure data delivery in power system, a method of concealing the data by a kind of wavelet-based digital watermark technique is studied.
为保证电力系统中待传递数据的安全性，研究了利用一种基于小波的数字水印技术把电力系统中的传输数据隐藏起来。
To ensure the secure data delivery in power system, a method of concealing the data by a kind of wavelet-based digital watermark technique is studied.
为保证电力系统中待传递数据的安全性，研究了利用一种基于小波的数字水印技术把电力系统中的传输数据隐藏起来。
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