查询词典 watermark

If you purchase a copy of Moho, the demo watermark will go away, and you will be able to export SWF files in full color.

如果你购买了 Moho，demo 水印会消失，同时能够输出全彩的 SWF 文件。

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。

In detection, the normalized hamming function is employed to weigh the similarity of the watermark.

检测时，利用归一化汉明函数判断水印的相似度。

First, the proposed scheme uses contourlet transform to extract multidirectional and multiscale texture information, and then obtains the feature points invariant to the affine transformation from the low and middle directional subbands by Harris-Affine detector. Second, the feature regions are adaptively computed by the feature scale of the local structure and normalized by U transform. The watermarking is embedded adaptively in those characteristic regions which are normalized. Finally, by vector quantization, several copies of the watermark are embedded into the no overlapped local feature regions in different directional subbands.

首先，用Contourlet变换提取出多尺度、多方向的纹理信息；再用Harris-Affine检测算子从变换域的中、低频方向子带中提取出仿射不变特征点，结合自适应局部结构的特征尺度确定特征区域，并用U变换对其归一化处理，水印就自适应地嵌入到归一化后的区域中；水印嵌入采纳矢量量化的策略，将水印信息重复嵌入到不同方向子带、多个不相交的局部仿射不变特征区域。

To calculate the correlation value between the image and watermark, the pixel information of digital image is not adopted, but the orthogonal projection sequence of this image is adopted.

该水印检测器的相关值不是采用像素值信息，而是采用图像的正交投影序列来计算的。

School of Information Engineering,Zhengzhou University,Zhengzhou 450052,ChinaA novel chirp-typed watermarking scheme which uses the properties of index additivity and orthonormality of fractional Fourier transform to embed watermark in the different fractional Fourier domain is presented.

提出了一种新的分数阶Fourier域Chirp类数字水印方案，该方案利用分数阶Fourier变换基函数的正交性和旋转相加性，在不同的分数阶Fourier域嵌入Chirp水印，并利用分数阶Fourier域Chirp信号的聚集性进行盲检测。

The method uses the characteristic of human visual system to enhance the robustness of the watermark and avoids the perceptibility of human eyes.

该算法利用了人眼视觉系统特性对水印嵌入强度做自适应调节以增强水印的鲁棒性和保证水印的不可感知性。

In this algorithm, the product of two huge primes is the secret information, which is further converted into n natural numbers and then encoded into planted plane cubic tree structures which are embedded into the software codes as software watermark.

水印嵌入的入程是：首先将两个大质数的乘积采取中国剩余定理划分成n个天然数，然后再将这n个天然数编码入n个平面环路树PPCT构造中，将这些构造的构建代码嵌入软件代码中。

Digital watermarking routines, including several commonly used functions, a number of different algorithms to achieve the digital watermark, practica...

数字水印的例程，包括多个常用函数，多个不同算法实现的数字水印，级实用！

In this paper the main research findings and innovation are described as following:(1) Research on preprocess of watermark signal in detail.

本文的主要研究内容和创新如下：(1)对水印信号的预处理技术进行了详细的分析和研究。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。