鲁棒水印是进行版权认证常用的技术。
Robust watermark is commonly used in copyright certification.
鲁棒水印技术通常被用于版权保护和所有权声明等目的。
Robust watermarking techniques are always used for copyright protection and ownership assertion.
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。
The original watermark is divided into the robust watermark and the semi-fragile watermark for copyright protection and image authentication.
本文基于三维离散余弦变换(3D-DCT)技术和扩频通信技术提出三维体数据鲁棒水印嵌入算法。
This paper proposes a robust watermarking algorithm for volume data based on three-dimension discrete cosine transform(3D-DCT) and spread-spectrum communication technique.
提出了一种在图像小波域中嵌入文字的新型鲁棒水印算法,并对嵌入的文字进行混沌加密和BCH纠错编码。
This paper brings forward a text embedding digital watermarking method based on image's DWT domain, meanwhile, using the chaotic sequences to encrypt the text data and BCH code to correct them.
提出了一种改进的复合型水印嵌入方法,引入了通信中的纠错编码技术,在很大程度上增强了鲁棒水印的鲁棒性。
Then error correction coding method is presented and discussed in detail to overcome the disadvantage, so the performance of the communication system is greatly improved.
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。
Double Digital Watermarking Method based on Transform Domain has realized the double aims of the copyright protection and the integrity authentication of image content.
为了用较低算法复杂度使数字水印具有较好的鲁棒性与掩蔽性,提出了一种基于整数DCT变换的新的鲁棒水印算法。
In order to design a complicated scheme with both preferable robustness and invisibility with low complexity, in this paper, a new watermarking based on Integer DCT scheme is proposed.
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.
实验结果表明,两种水印算法均具有很好的不可见性,对常见的图像处理操作具有很强的鲁棒性。
The experimental results show that the watermarks generated with the proposed algorithm are invisible and robust against noise and commonly used image-processing technique.
相信,这一工作有助于更强鲁棒性的水印算法的设计。
It is believed that the work will help the design of robust watermarks.
为保证图像数字水印的鲁棒性和安全性,结合加密技术,提出了一种使用协同神经网络的图像数字水印算法。
An digital image watermark algorithm is proposed based on the synergetic neural network, combined with encryption technique, to guarantee its robustness and security.
从理论推导和实验计算分析,用协同序参量作为数字水印的鲁棒性评判指标,具有一定可行性和实用性。
With theoretic testify and experimental analysis, the method of using synergetic order parameter as quantitative index of digital watermark robustness has feasibility and practicability.
实验结果证明,基于块奇异值分解的水印算法对常规的图像处理攻击具有很好的鲁棒性,尤其是其中的量化水印算法。
The experiment results show that watermarking algorithms based on block SVD are very robust to usual image manipulation attacks, especially the quantization watermarking algorithm.
该技术在水印嵌入时,由混沌系统生成水印序列,并在离散小波变换的低频子带上嵌入水印,保证了水印的鲁棒性。
While embedding watermarking, the watermarking sequences are produced by the chaos system, and are embedded into the low frequent coefficient of DWT domain to guarantee the robustness of watermarking.
实验结果表明水印是不可察觉的,经过JPEG有损压缩、低通与中值滤波、剪切等图像处理操作后仍是鲁棒的。
Experimental results show that the proposed scheme is robust for some image processing operations such as lossy JPEG compression, low pass filtering, median filtering and cropping.
在本文中,我们将研究主要集中在用于版权保护的鲁棒的不可见数字水印。
In this paper, we limit the scope of our research to robust and imperceptible digital watermarking for copyright protection.
实验结果表明:该算法使水印对如下攻击:压缩、剪裁,加噪,有良好的鲁棒性。
The experimental results confirmed that this blind scheme is robust to a variety of attacks such as, the compression, the tailors, Gauss noise.
提出一种基于运动矢量的鲁棒视频水印方案。
The writer proposes a robust video watermarking scheme based on motion vectors.
为了提高鲁棒性,每一位水印被多次嵌入在不相关的多个位置中。
In order to improve the robustness, each bit of the watermark is embedded into multiply positions which are irrelevant to each other.
该算法不仅对有损压缩,噪声攻击具有较好的鲁棒性,而且可以抵抗共谋攻击和多水印攻击。
The proposed algorithm has high robustness against noising, loss compression, and even collusion and multiple watermarking attacks.
从试验结果看,两种算法能够抵抗JPEG压缩以及高斯噪声等信号处理的攻击,且改进后的算法水印鲁棒性及保密性得到了增强。
The experimental results show that both of them can resist signal distortions such as JPEG compression, Gauss noise, and the improved algorithm has better robustness and security.
本文最后对提出的水印算法进行了抗攻击能力实验,结果表明该算法具有较好的鲁棒性、透明性和较大的水印嵌入容量。
At last, experiments on this algorithm are implemented and experimental results show that the proposed algorithm has better robustness, transparency and larger capacity.
根据视觉的色度敏感性,提出了一种能够抵抗格式转换等多种攻击的鲁棒视频流水印技术。
This paper presents a video watermarking technique that is robust against format transformation based on chroma sensitivity.
能有效抵抗信号处理又能抵抗几何攻击是当今数字水印研究的热点和难点之一,提出一种能够抵抗信号处理、旋转、缩放和平移的鲁棒视频水印。
The watermarking technique robust to both signal processing attacks and geometrical attacks is one of the hotspots and difficulties in the digital watermarking research.
同时这种算法可以根据图像局部特征控制水印鲁棒性,改善画质。
Furthermore, this algorithm, adapted to the local image characteristics, can control the robustness of embedded watermark and improve visual quality of the watermarked video.
提出一种同时嵌入鲁棒性水印和易损性水印的复合型数字水印算法。
Embedding robust watermark and fragile watermark in one image simultaneously, an algorithm of compound, adaptive digital watermarking was presented.
实验结果显示,所提的方法能有效改善数字水印技术中图像品质与水印鲁棒性相互制衡的问题。
Simulation results show that the proposed method may improve the PSNR for embedding the visible watermark and enhance the robustness of the invisible watermark.
水印鲁棒性:纠错编码有效吗?。
Robustness of Watermarking: Is Error Correcting Coding Effective?
水印鲁棒性:纠错编码有效吗?。
Robustness of Watermarking: Is Error Correcting Coding Effective?
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