水印

The blind digital watermarking algorithm based on Fresnel diffraction transform, phase encryption mask and discrete wavelet transform is proposed.

基于菲涅耳衍射变换和相位密码板，结合离散小波变换，设计了一种新的盲数字水印算法。

Blind digital watermarking technique based on optical fresnel diffraction.

基于光学菲涅耳衍射的"盲数字水印"技术。

The digital watermark technique is proposed based on Fresnel hologram and Discrete Cosine Transform.

提出了一种基于数字菲涅耳全息和离散余弦变换的数字水印技术。

Graphics mode (3) can be Default, Grayscale, Black/White, or Watermark.

图形模式（3）能设置为标准、灰度、黑/白和水印。

A digital watermarking algorithm for halftone images was proposed.

针对半色调图像提出一种新的数字水印算法。

When printed, the watermark and encrypted code cannot be seen by the naked eye, but can be identified digitally by a web-enabled mobile phone, computer, hand-held reader or other device through patented security-class software.

打印时，水印和加密代码不能用肉眼看到的，但可以通过网络数字识别功能的手机，电脑，手持通过专利的安全类软件阅读器或其他设备。

The watermark structure was divided into sub-blocks and calculated by linear hashing function, which includes both the sequence information and the quantity information of the nodes. A constant migration technique wraps the integrity checking in the normal logical judgment operation of the watermarked program.

利用线性哈希函数对水印结构进行分块计算，既包含了结点顺序信息，又包含了结点数量信息，同时采用常量迁移技术使完整性检查隐藏在程序本身正常的逻辑判断语句中。

A new method to protect the copyright based on digital holography is proposed.

提出了一种基于数字全息术的用于版权保护的水印方法。

In this paper,a watermarking algorithm based on digital holography and block energy analysis of the wavelet transform parameters is proposed.

提出了一种基于数字全息和小波系数块能量分析的水印算法。

A method based on hypercomplex number system for fractal digital hologram synthesis.

黄清龙，刘建岚，"基于光学菲涅耳衍射的"盲数字水印"技术"，光学学报 26，

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。