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MedCosmCGHMaker_13
- 数字全息和计算程式 计算全息图的制作和再现过程主要分为以下几个步骤: 1抽样。得到物体或波面在离散样点上的值。 2.计算。计算物光波在全息平面上的光场分布。 3.编码。把全息平面上光波的复振幅分布编码成全息图的透过率变化。 4.成图。在计算机控制下,将全息图的透过率变化在成图设备上成图。如果成图设备分辨率不够,再经光学缩版得到实用的全息图。 5.再现。这—步骤在本质上与光学全息图的再现没有区别。 -Digital Holography and CGH fo
optical
- 一些常见的工程光学现象的模拟,如光的衍射,光的全息-Some common optical phenomena simulation projects, such as light diffraction, optical holographic
FFTReconstruction
- 可以实现全息图的一次快速傅里叶变换,对全息图进行再现,也可以用于全息干涉图的再现-Hologram can be achieved in a fast Fourier transform, reconstruction hologram can also be used for reproduction of holographic interferograms
zm
- 对图像进行均值化,并用均值化后的图进行数字全息的模拟,同时运用两种不同方法进行全息图的再现-The mean of the image and use the mean of digital holographic map after the simulation, while using two different methods of reproduction of the hologram
08kz1241
- 实现了物光和参考光双加密的数字全息加密方法,并从理论模拟和实验上分别验证了该方案,其安全性远高于仅加密一束光时的情况.使用双随机相位加密法加密了原始图像,并使用随机相位片编码了参考光. 加密后的图像由 CCD 接收后再使用计算机处 理.在实验上检测了该系统的信噪比和容错性, 并计算得到系统的密钥长度高达6.3×1014 .-Object and reference light to achieve a double-encrypted digital holographic encryp
h
- 数字全息的菲涅耳再现算法和角谱算法,包括频谱滤波。-Fresnel digital holographic reproduction algorithms and angular spectrum of algorithms, including spectral filtering.
madify
- 基于四步像移法,对图像进行读入,同轴光干涉的matlab数字全息的实现-Like the shift method based on four steps, the image read into Matlab digital holographic realization of coaxial optical interference
lclfftquanxi
- 傅里叶全息水印的生成方法 通过构建参考光源生成全息水印-FFT holographic watermark
fresnel-holography
- 完整的菲涅尔全息成像仿真程序,详细的注释说明。-Complete Fresnel holographic imaging simulation program.
DFFT
- 信息光学中实用的DFFT,对于学全息的同学们很实用,学校内部程序,从不外传的。-Information Optics in practical DFFT, holographic school classmates for very practical, school-house program, and never rumored.
embedding_progress
- 全息数字水印嵌入过程。首先进行水印的延拓,全息的制作,最后将水印嵌入水平高频。-Holographic digital watermark embedding process. First Extension of the watermark, hologram production, and finally the high watermark level.
pinyulubo
- 数字全息图频域滤波再现,用来实现数字全息再现-Digital reproduction of holograms frequency domain filtering for digital holographic reproduction
HoloSpec2D
- 二维全息谱的matlab程序,含有频谱校正-Dimensional holographic spectrum matlab program contains spectral correction
digital
- 实现离轴变换再现算法!离轴全息再现有零级像干扰,高通滤波,滤掉不必要的成分,对离轴全息图进行FFT,等到全息图的频谱分布- Off-axis transformation algorithm to achieve reproduction! Off-axis holographic reproduction zero level as interference, high pass filter, filter out unwanted ingredients, off-axis holog
steroFullFNL
- 体视全息计算程序,程序首先提取三维数据不同视角的二维图像,然后计算相应视角方位的全息图。-Stereo holographic computer program, the program first extract three-dimensional image data from different perspectives, and then calculate the corresponding view orientation hologram.
hologram01
- 利用傅立叶变化制作数字全息图片,为降低全息图的动态范围,乘一随机位相因子,提高物光波编码的精度。-By using Fourier transform to make digital holographic images, in order to decrease the dynamic range of the hologram, by a random phase factor, to improve the precision of the optical encoding.
h2D
- 二维全息谱,根据双通道传感器的输入绘出二维全息谱图-Dimensional holographic spectrum, based on the input dual channel sensor plotted dimensional Holospectrum
similarity-hologram-watermark
- 一种全息水印的生成方法和一种图像相似度检测方法-A watermark generation method and a holographic image similarity detection method
holoencryption
- 全息加密程序 可以直接用来做加密仿真 效果还不错 非常适合初学者-Holographic encryption program can be directly used for encryption simulation results is also very good for beginners
Holographic-convolution-
- 全息仿真。获得全息图和还原算法都采用角谱法。保护角谱法完整子程序及主程序-Holographic simulation. Obtaining holograms and reduction algorithms are used angular spectrum method. Protection of the Angular Spectrum complete the main program and subprogram