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DIGITAL-WARTERMARKING

于 2013-08-18 发布文件大小:2552KB

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下载积分: 1 下载次数: 32

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代码说明：

使用DCT和小波变换的数字音频水印生成/解码程序，可存活于方差0.05的高斯白噪声及不同程度的剪切。内含程序/测试文件介绍。(Digital wartermarking encoding/decoding program with DCT and wavelet transform. nice robustness against Gaussian noise with variance less than 0.05 and any type of cropping attack. functions/test files introduction included)

文件列表：

DIGITAL WARTERMARKING
.....................\study report
.....................\............\files
.....................\............\.....\a.wav,885228,2013-04-17
.....................\............\.....\b.wav,885148,2013-04-17
.....................\............\.....\bb.wav,885148,2013-04-17
.....................\............\.....\dequan.m,628,2013-08-18
.....................\............\.....\de_freq.m,1268,2013-04-17
.....................\............\.....\dwm.m,2194,2013-04-17
.....................\............\.....\enframe.m,725,2013-04-17
.....................\............\.....\findwm.m,958,2013-04-17
.....................\............\.....\freq.m,2270,2013-08-18
.....................\............\.....\quan.m,942,2013-08-18
.....................\............\.....\Readme.txt,895,2013-04-17
.....................\............\.....\wm.m,2345,2013-04-17
.....................\............\Report
.....................\............\......\report.pdf,521159,2013-04-18

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arrayxy
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2020-12-23 10:59:07下载

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2013-12-27 23:53:23下载

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以labview为平台通过小波分析方法对波形进行处理。(Labview as a platform for analysis of the waveform by wavelet processing.)

2011-12-28 16:12:20下载

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由加州理工大学教授开发的经验小波变换算法程序包，经检验比小波效果更好(California Institute of Technology developed by Professor experiences wavelet transform algorithm package, the test better than wavelet effect)

2016-07-30 14:41:42下载

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在理解了离散小波变换的基本原理和算法的基础上，通过设计VC程序对简单的一维信号在加上了高斯白噪声之后进行Daubechies小波、Morlet小波和Haar小波变换，从而得到小波分解系数；再通过改变分解得到的各层高频系数进行信号的小波重构达到消噪的目的。在这一程序实现的过程中能直观地理解信号小波分解重构的过程和在信号消噪中的重要作用，以及在对各层高频系数进行权重处理时系数的选取对信号消噪效果的影响。(In understanding the basis of discrete wavelet transform basic principles and algorithms, through the design VC program Daubechies wavelet, Morlet wavelet and Haar wavelet transform after a simple one-dimensional signal plus a Gaussian white noise, resulting wavelet coefficients wavelet reconstruction signal again by changing the layers to achieve high-frequency coefficients decomposed noise cancellation purposes. Can intuitively understand wavelet decomposition and reconstruction process and an important role in signal de-noising in the process of implementation of this program, and in the high-frequency coefficients when the weight of the layers selected for signal processing coefficients denoising affected.)

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说明：有小波分解求小波熵，还有小波包技术求解信号特征，适应与分析脑电信号特征(Seeking a wavelet decomposition wavelet entropy, and wavelet packets technique to solve the signal characteristics, and analysis of EEG characteristics of adaptation)

2011-03-02 19:53:44下载

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xiaobobianhuan
基于小波变换的去雾处理程序，附有实验图片，可以运行的，希望对大家有帮助！(Based on wavelet transform to fog handler, attached to the experimental images, you can run, I hope it can help you!)

2015-01-25 10:59:10下载

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基于matlab的小波包分解应用于机械振动信号的故障分析(Used in failure analysis of mechanical vibration signals based on the Matlab wavelet packet decomposition)

2012-06-29 19:35:36下载

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MATLAB的软件包，用于小波变换，安装到自己的MATLAB工具箱中-Wavelab850
MATLAB的软件包，用于小波变换，安装到自己的MATLAB工具箱中。(MATLAB software package for wavelet transform.)

2020-06-21 07:20:01下载

积分：1

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