水印

Digital watermarking is an effective solution of copyright protection of Vector geographic data.

数字水印是对数字产品实施版权保护的一种有效技术。

Algorithm of the audio digital watermarking based on the space-domain of spectrogram is proposed.

提出了基于语谱图变换域的音频数字水印方法。

Then the Cartesian coordinates was converted to spherical coordinates in which the watermark was embedded.

先将3D物体模型转换到仿射不变空间，然后把顶点坐标转换到球面坐标，利用球面坐标来嵌入水印。

In this paper, a novel digital watermarking algorithm is proposed based on the subspace principle.

一个完善的数字水印算法应该满足两个主要要求：稳健性和不可见性。

But unfortunately, this type of watermarking techniques has not been sufficiently investigated up to now.

但不幸的是，这种类型的数字水印技术还没有得到充分的调查，到现在为止。

The watermark that is superimposed on the video stream has to be invisible to human eye.

即在一个视频流叠加水印要看不见的人的眼睛。

Its main thought is to choose the DC coefficients superimposition watermark information on the image DCT territory.

其主要思想是在图像的DCT域上选择直流系数叠加水印信息。

Its main thought is chooses the low frequency coefficient superimposition watermark information on the image DCT territory.

其主要思想是在图像的DCT域上选择中低频系数叠加水印信息。

The experimental results show that the BPOF watermarking can be used for image tampering localization.

实验结果证明了BPOF水印可以很好地应用于图像篡改定位。

Ability to add image and/or text watermark in folder mode or single file mode.

的能力，添加图片和/或文字水印在文件夹模式或单一档案模式。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。