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1)  watermarking capacity analysis
水印容量分析
2)  watermark capacity
水印容量
1.
In order to solve the problem of the insuffieient watermark capacity in the current algorithm of frequency domain transformation,A digital watermarking algorithm based on pixel permutation and dual sequence pseudo random noise spread spectrum is proposed in this paper.
针对目前比较流行的频域(或变换域)水印算法中存在的水印容量不足的问题,提出了基于像素置乱的双伪随机序列扩频水印算法,提高了水印的容量,具有较好的鲁棒性和抗各种攻击的能力。
2.
Propose a wavelet adaptive watermarking algorithm which can effectively increase the watermark capacity on the basis of analyzing the restricted relationships between invisibility,robustness and capacity of image digital watermarking.
在分析图像数字水印不可见性、鲁棒性与水印容量三者之间制约关系的基础上,提出了一种可以有效增加水印容量的小波域自适应水印算法。
3.
An important conclusion is found,which is watermark capacity and rubustness are conflict.
介绍数字水印技术的基本原理,详细论述基于最低有效位数字水印技术的实现过程,结合实际应用提出改进方案,通过Matlab实验给出同一载体图像嵌入不同容量水印后图像的PSNR值,得出了水印容量和鲁棒性相互制约的重要结论。
3)  watermarking capacity
水印容量
1.
For the analysis of how much information can be hidden in digital image, a content adaptive watermarking algorithm is presented and watermarking capacity is discussed in this scenario.
为了研究图像的水印容量,在满足水印不可感知性的前提下,基于图像的内容自适应地限制水印的嵌入功率,分析了水印容量问题以及水印容量与检测可靠性的关系。
2.
But the relationship between perceptual model and watermarking capacity has not been considered enough.
但感知模型和水印容量间的关系还没有受到应有重视。
3.
The marked codes are decided by the characteristic of the document,and the watermarking capacity decided by the amount of marked codes can also be flexible.
该方法的水印容量由标志代码的数量动态确定,可自主的提高水印容量。
4)  Capacity Analysis
容量分析
1.
Micromation Experiment Research of Capacity Analysis;
容量分析的微型化实验研究
2.
This paper presents the recent research of capacity analysis based on the digital images.
介绍了基于数字图像隐写容量分析的最新研究成果,重点介绍了安全性限制下针对不同的隐写信道模型的隐写容量的分析和在选择给定的载体方法和失真约束条件下对一个具体图像的隐写容量计算。
3.
This paper analyzes the influences on capacity analysis from two aspects of limiting user covering range with high bits and adjusting the power of common channel.
容量分析是WCDMA无线网络规划优化一个重要课题,从限制高比特用户覆盖范围以及调整公共信道功率两个角度分析其对容量分析的影响,旨在为WCDMA无线网络规划优化提供决策参考。
5)  Volumetric analysis
容量分析
1.
For the requirements of convenience, quick and accurate, a method to meet the rapid measuring of sodium hypophosphite in electroless nickel plating bath was studied by comparing with classic volumetric analysis methods.
从方便、快速、准确的要求出发 ,通过与经典容量分析方法比较 ,研究了能满足快速测定化学镀镍液中次磷酸钠浓度的方法。
2.
In this paper, It is described that the analytical methods and fundamental principles to rapidly determine the main composition of AN TNT explosive, such as TNT, ammonium nitrate, water resistant agents and sodium chloride, by using spectrophometric analysis and volumetric analysis.
文章叙述了用分光光度分析、容量分析快速测定铵梯炸药组分中 AN、TNT、抗水剂、食盐含量的分析方法及基本原理 ,其中 TNT、抗水剂组分采用分光光度法测定。
6)  maximum watermark capacity
最大水印容量
补充资料:水印
分子式:
CAS号:

性质:对一些特殊纸张如钞票纸、证券纸、烟纸和高级书写纸等,为了防伪或装饰等原因在纸张抄造过程中,用带有图案的网辊在纸面上压成与图案相同的印痕。由于受压部分组织紧密,纸张干燥后形成迎光可见的印痕,这就称为水印。水印可以在网部形成,也可在压榨部对湿纸压印,构成水印纹。

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