A robust blind watermark detection technique is proposed.
提出一种稳健的盲水印检测技术。
Sequentially, we divide the algorithms from the points of watermark detection.
接着从水印检测的角度对目前水印算法进行划分。
This article presents a semantic-coding-based blind watermark detection algorithm.
提出了一种基于水印语义编码的盲检测水印算法。
In watermark detection, the optimum detector is used to implement the blind detection.
在水印的检测方面，最优检测器实现水印的盲检测。
The watermark does not need origin image so that can implement blind watermark detection.
水印的提取不需要原始图像的参与，实现了盲水印检测。
During the watermark detection, the image suffered from geometric attacks is firstly corrected.
在水印检测时，先对遭受几何攻击的含水印图像进行校正。
A system and a method for secure remote informed watermark detection making use of a side-information.
一种用于安全远程有信水印检测的系统和方法利用边信息。
In blind watermark detection process, we also extract the feature point from the normalized image, then extract the watermark.
在进行水印盲检测时，首先对含水印图象进行归一化处理并提取特征点，然后进行水印提取。
Watermark detection is implemented by comparing the new difference of mean values of watermarked image blocks with the threshold values.
在水印提取时，计算分块的新的均差值并与所设门限进行比较，从而检测嵌入的原始水印值。
However, in many applications it needs an asymmetric scheme, where a private key is used for watermark embedding, and a public key is used for watermark detection.
而许多实际的应用都要求非对称的数字水印方案，即水印嵌入时使用私人密钥，水印检测时只需要一个公开密钥。
In order to protect the copyright of the vector graphics, in this paper we introduce a fusion rule for watermark detection of vector curves using SVM classification.
针对矢量图形的版权保护问题，提出了一种基于SVM分类融合的多矢量曲线水印检测方法。
To improve the robustness of the algorithm, we propose a new method to control the local watermarking strength and develop a weighting process of watermark detection.
在该算法中，我们提出了新的局部水印嵌入能量控制方法以及新的水印检测技术——双脉冲加权水印检测技术。
If the position of the feature points is stored in a database or in the file head of the watermarked image, the original image is not necessary for watermark detection.
将特征点位置存放在数据库或图像文件头中，提取时无需原始图像。
Several different schemes have been proposed in the last few years, but most of them are symmetric, i. e. , the key used for watermark embedding is just the same used for watermark detection.
近年来提出了不少数字水印方案，但是它们中大部分都是对称的，即用于水印嵌入和水印检测的密钥是相同的。
In view of the problem that the pictures on commodities packaging may have distortion in watermark detection process, studies are carried out and a new blind digital watermark algorithm is proposed.
针对商品包装图像在水印检测过程中图像会发生变形的问题展开研究，提出一种基于非均值量化系数特征不变的盲数字水印方案。
Reseatch result shows that watermark detection error is mainly influenced by the watermark mean energy and watermarking capacity. The detection error rises with the increase of watermarking capacity.
研究结果表明，水印检测错误率主要取决于水印的平均能量和水印容量，而且随着水印容量的提高而增加。
Watermark signal of the right channel whose magnitude is limited below the audible threshold, is used to control the detection threshold.
右声道水印信号为幅度限制在可听门限的白噪声，用来控制检测门限。
Test results show that embedding around video quality has not changed significantly, in the absence of attack detection of the watermark and the original watermark than no obvious changes.
试验结果表明，水印嵌入前后，视频质量没有显明的变化，在无攻击时检测到的水印信息和原水印信息比拟也没有显明的变化。
This paper studies the optimum detection model of the multiplicative spread-spectrum watermark embedded by fixed strength.
对以固定强度嵌入的乘性扩频水印的最优检测模型进行了研究。
Finally, making use of autocorrelation function characteristic of spread spectrum sequence, watermark information was detected. In the detection process, it is not requisite for initial carrier image.
最后利用扩频序列的自相关函数特征检测出水印信息，检测过程中不需要原始载体图像。
Theories related to watermark are introduced in detail, including communication model, related detection model, hiding information capacity analysis and security of steganography.
从水印的通信模型建立，水印的相关检测模型，到信息隐藏容量分析，隐写术的安全性理论，详细介绍了水印的相关理论；
Experimental results demonstrate that the proposed algorithm is more tamper resistant than general spread spectrum watermark algorithm and the false detection rate is decreased considerably.
实验表明，该算法有效降低了检测错误的概率，显著地提高了扩频水印的抗攻击能力。
The algorithm mainly consists of two basic subroutines: watermark embedding and watermark extraction and detection.
算法包括水印嵌入和水印提取与检测两个部分。
It is a blind detection watermark since we detect watermark by position key and chaos sequence key without original image.
水印的相关检测只需要知道位置密钥和混沌序列密钥，不需要原始图像的参与，因而是盲检测水印方法。
The statistical detection principle is used to achieve the blind extraction of the discriminating watermark and the blind detection of the Confirmable watermark.
在水印的提取与检测阶段，本文应用了统计学假设原理，分别实现了对识别水印的盲提取和确认水印的盲检测。
To improve the security against the counterfeiting attack, this paper proposes a secure dual watermark scheme for image tamper detection and recovery.
为提高可恢复双水印算法抵抗伪造攻击的能力，提出一种用于图像篡改检测和恢复的安全双水印算法。
Design the detection method of watermark bars of Euros.
提出了欧元水印条码的识别方法。
Design the detection method of watermark bars of Euros.
提出了欧元水印条码的识别方法。
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