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Description: 基于DCT域的数字图像水印的处理，经测试可以达到对水印检测的功能。这是一个完成各种数字图像水印的算法的程序，里面也实现了dct以及水印的改进算法，程序移植性好 -Based on the DCT-domain watermarking digital image processing, can be achieved by testing the function of the watermark detection. This is a complete range of digital image watermarking algorithm procedure, which also realize the DCT and watermark algorithm transplantation procedures and good
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Size: 521216 |
Author: xudangshi |
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Description: netcdf插件安装和.nc格式数据的读取,主要操作mexcdf53.dll和netcdf.dll文件,适于从事海洋和大气专业的的数据格式.作者在实际中用matlab处理了一些此类数据，简单说来就是安装一个插件即可.现将我们的方法具体地写出，以供参考-NetCDF installation and plug-ins. nc format to read data, the main operating mexcdf53.dll and netcdf.dll document, suitable for marine and atmospheric data format professional. Author matlab used in the actual treatment a number of such data, simple to say that you can install a plug-in. The way we write specifically for reference
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Size: 497664 |
Author: 周严 |
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Description: 文中提出了一种基于离散小波变换和混沌加密的数字水印新算法,采用二维混沌变换对水印图像加密 对载体图像进行多分辨离散小波变换,应用小波系数判断载体图像的纹理复杂程度后,依据人眼的视觉系统(HVS)特性,将水印信号嵌入到图像的低频部分,对图像的不
同分解层分别选取不同的纹理阈值和水印嵌入强度,将数字水印嵌入到相同分辨层的原始图像中,提高了水印算法的鲁棒性。在检测和提取水印时,通过水印相似度(NC)和峰值信噪比( PNSR)评价水印质量,实验结果表明提出的算法可以抵抗剪裁、JPEG压缩、滤波等几何攻击,算法简单,计算复杂度小,兼顾了水印的不可见性和鲁棒性。-err
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Size: 440320 |
Author: 王娜 |
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Description: nc mfsk调制，包括了bfsk,qfsk,8fsk等东西-nc mfsk modulation, including bfsk, qfsk, 8fsk and other things
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Size: 29696 |
Author: 王飞 |
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Description: .设计对水印系统进行公正的比较和评价方法。在这方面己经有部分学者作了一些初步的研究，但缺乏普遍性和原理性，对水印系统的脆弱之处仍无法进行全面的测试与衡量。-. Watermark system designed just for comparison and evaluation. In this regard, some scholars have been some preliminary research, but the lack of universality and the principle of the fragile watermarking system of the Agency remained unable to conduct a comprehensive test and measurement.
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Size: 1024 |
Author: huhao |
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Description: 所上传的文件时为了在MATLAB中求PSNR、归一化相关系数NC的值-have PSNR, NC values In MATLAB
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Size: 3072 |
Author: amue |
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Description: 对图像进行处理后常需要计算图像的PSNR值和NC值-calculate the PSNR and NC of pictures
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Size: 1024 |
Author: 李星蕊 |
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Description: 网上关于网络编码的程序非常少，这里是皇家理工的网络编码完整程序，希望对大家有所帮助~！-MATLAB for networkcoding.help for you !
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Size: 2093056 |
Author: yoyo |
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Description: 绘制矢量流场图。这对研究矢量的导数来说是重要的，而且富有启发性。
-plot current vector figure matlab。 it is interesting and enlightening to consider the derivative of a vector.
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Size: 693248 |
Author: vincent |
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Description: MATLAB读取NC数据的命令,具体过程和操作步骤-MATLAB command to read the NC data, specific processes and procedures
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Size: 5120 |
Author: 陆秋菊 |
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Description: 创建二维格网数据的简单nc文件，可在matlab的netcdf帮助页面查看详细用法。(Simple NC files for creating 2D grid data can be viewed in detail on the NetCDF matlab help page.)
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Size: 1024 |
Author: penguinppp
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Description: 可用于matlab读取.nc文件，并画温盐等等值线图(Matlab can be used to read.Nc files, and painted temperature, salt and so on value line map)
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Size: 1024 |
Author: 海洋一号
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Description: 将数据保存成nc格式及mat与nc格式的转换(Save the data into NC format and Conversion between mat and NC format)
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Size: 1024 |
Author: Brunce
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Description: 本文件为txt文件，为MATLAB读取nc数据的代码，以及将其转换为tif格式的数据。(This code is for read nc data and transfer it into tiff data.)
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Size: 1024 |
Author: Upward Snail
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Description: 实现归一化相关系数NC的计算，测试有效，需自己替换两张所需计算的图片(The calculation of normalized correlation coefficient NC is effective, and we need to replace two pictures that we need to calculate.)
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Size: 866304 |
Author: 睡觉951 |
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Description: 可根据经纬度提取NC格式的数据。。。。。。。。。。。。。。。(NC format data can be extracted according to latitude and longitude.)
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Size: 9216 |
Author: smilelxf |
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Description: WAV音频的LSB信息隐藏实验matlab实现.zip
内涵wav音频，WAV音频隐写的matlab代码
randhiding.m
randextract.m
wavextract.m
wavhiding.m
nc.m(Realization of LSB Information Hiding Experiment of WAV Audio by matlab.zip
Connotation wav audio, WAV audio steganography matlab code
Randhiding.m
Randextract.m
Wavextract.m
Wavhiding.m
Nc.m)
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Size: 2524160 |
Author: Erthrus |
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Description: 绘制数控加工叶瓣稳定图，基于matlab的用于铣削动力学建模的稳定性叶瓣图分析(Draw the stability profile of nc machining blade lobe, and analyze the stability profile based on matlab for milling dynamics modeling)
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Size: 1024 |
Author: chengao |
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Description: 利用MATLAB实现数控车床逆圆弧插补和直线插补(Using MATLAB to Realize Inverse Arc Interpolation and Linear Interpolation of NC Lathe)
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Size: 13312 |
Author: alamanecer |
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Description: 该课题为基于MATLAB的数字水印系统。包括离散余弦DCT和小波变换DWT两种算法的对比，有一个GUI界面，包括嵌入，加噪，旋转，剪切，压缩等多种攻击，提取候，具有评价指标PSNR,NC等来评价算法的鲁棒性(This project is a digital watermarking system based on MATLAB. It includes the comparison of DCT and DWT. It has a GUI interface, including embedding, noise adding, rotation, cutting, compression and other attacks, extraction, and evaluation index PSNR, NC to evaluate the robustness of the algorithm)
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Size: 20537344 |
Author: 可乐一生 |
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