Method study on fractional fourier computer-generated holograms;
分数傅立叶变换计算全息图的算法研究
Realization and digital reconstruction of computer-generated hologram based on Matlab
基于Matlab的计算全息图的制作与数字再现的研究
A research on aspheric surface testing by using a computer-generated hologram (CGH) on curved surface is presented.
研究了利用曲面计算全息图进行非球面检测。
By this program, we can get the computer generated hologram and its simulated reconstruction on the CRT directly and know the quality of the hologram previously.
本文设计了一套计算全息图的制作及模拟再现的计算机程序，通过这一程序可以在计算机显示器上直接得到计算机全息原图及其模拟再现结果，可以预先知道全息图的质量，并可以比较不同编码方案对计算全息图再现像的影响。
In this paper a content fragile watermarking based on computer generated hologram coding technique is presented.
基于计算全息图编码的水印技术是一种脆弱水印技术,由于其极容易被破坏的特性,非常适合用于图像内容的认证,在图像的认证鉴定的时候,通过比较提取的水印和初始水印的相关性鉴定图像内容的完整性,可以有效防止篡改和对修改图像的欺骗性应用。
A new method of synthesizing computer generated holograms of real-existing 3-D objects is proposed.
介绍了一种制作真实三维物体计算全息图的新方法。
Computer Simulation of CGH Realized Optical Transformation;
计算全息图实现光学变换的计算机仿真
A new method of making computer-generated hologram (CGH) by electron-beam direct-writing is reported in this paper.
报道了采用电子束直写制作计算全息图 (CGH)的新方法 ,该方法与传统的计算全息图制作方法相比可以明显提高CGH再现的像质 (信噪比和对比度 )。
<Abstrcat> Matlab and LCD are used to achieve the fast manufacturing and simulated reconstruction of the computer-generated hologram (CGH).
应用Matlab语言和液晶空间光调制器(LCD)实现了计算机全息图的快速制作,并对绘制出的傅里叶型计算机全息图进行了计算机模拟再现。
Aspheric surface testing with CGH on curved surface
利用曲面计算全息图进行非球面检测
Computer Simulation of CGH Realized Optical Transformation
计算全息图实现光学变换的计算机仿真
Testing the Convex Aspheric Surface by Using CGH on Curved Surface
利用曲面计算全息图进行凸面非球面检测
Analysis for property of CGH on spherical surface used for aspheric surface testing
用于非球面检测的球面计算全息图特性分析
The Duplication Method for Silver Halide (sensitized) CGH Using the Soft Dies
银盐明胶计算全息图的软模复制方法研究
Realization and digital reconstruction of computer-generated hologram based on Matlab
基于Matlab的计算全息图的制作与数字再现的研究
Optical Security Based on Phase Additive Using Phase-only CGH
利用纯位相计算全息图实现位相函数相加的光学安全技术
Digital Reconstruction of T.S. Huang′s Fourier CGH and The Elimination of the Zero-order of Diffraction Images
黄氏傅里叶计算全息图的数字再现及零级像的消除
Modified Foucault Test Using a CGH as the Phase Compensator
利用计算全息图作为位相补偿板的改进型刀口法
computer-generated hologram
计算机产生的全息图
COMPUTING METHOD AND SIMULATE IMPLEMENT ON FOURIER HOLOGRAMS BASED ON IMAGES
一种基于图像的全息图计算方法及其模拟重现
In order to facilitate the registration and evaluation of holograms, the holodiagram was developed.
为了使全息图易于记录和计算，研究出一种全息析纹图。
Digital Watermarking Using Computer Generated Hologram Based on DWT-DCT
基于计算机生成全息图及DWT-DCT的数字水印算法
A CAD OF LASER HOLOGRAPHIC DALLE PATTERN
激光全息装饰板图案的计算机辅助设计
A Brief Analysis of Security of Library Computer Network in Era of Information;
浅析信息时代的图书馆计算机网络安全
Pseudo-color coding of optical image with computer hologram method
计算机全息法实现光学图像假彩色编码
Implementation of Information Decomposing Using CGH and Its Application in Optical Image Encryption
计算全息实现信息相干分解及其在图像加密中的应用
Computer room is the supreme headquarters about information automatization in a university library. Safety in the computer room is an important guarantee to daily library work.
计算机房是高校图书信息自动化管理的大本营 ,计算机房的安全是图书馆正常运作的重要保障。