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tWavveletVCReh
通过设计Visual C程序源码对简单易懂的一维信号在加上了高斯白噪声之后进行Daubechies小波、Morlet小波与Haar小波变换,从而的到小波分解系数;再通过改变分解的到的各层高频系数数进行信号的小波重构达到消噪噪的目的。在这一程序源码实现的过程中能直观地理解信号小波分解重构的过程与在信号消噪中的重要作用,和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。 可直接
(Design Visual C program source code on a simple one-dimensional signal with a Gaussian white noise Daubechies wavelet, Morlet wavelet and Haar wavelet transform, and thus to the wavelet coefficients and then change the decomposition to each storey wavelet reconstruction frequency coefficient of the number of signal to noise canceling noise. In the process of realization of this program source code can be intuitively understood the signal wavelet decomposition and reconstruction process and an important role in signal denoising, and the selection coefficient in the high frequency coefficients of the layers of the weight of processing noise cancellation signal impact. Can be directly)
- 2012-07-27 16:21:08下载
- 积分:1
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wavelet_denoise1
利用小波变换对图像去噪,可以运行,并附有详细的说明,本人编写,感觉不错!欢迎共享.(Using Wavelet Transform for Image Denoising, you can run, together with detailed instructions, I prepared, I feel good! Welcome to share.)
- 2008-02-28 13:30:58下载
- 积分:1
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用matlab如何实现fft变换
用matlab如何实现fft变换,进而得到经过fft变换后的图像(How to implement FFT transformation with MATLAB)
- 2017-10-11 10:31:22下载
- 积分:1
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小波变换
图像小波变换,小波变换(wavelet transform,WT)是一种新的变换分析方法,它继承和发展了短时傅立叶变换局部化的思想,同时又克服了窗口大小不随频率变化等缺点,能够提供一个随频率改变的“时间-频率”窗口,是进行信号时频分析和处理的理想工具。它的主要特点是通过变换能够充分突出问题某些方面的特征,能对时间(空间)频率的局部化分析,通过伸缩平移运算对信号(函数)逐步进行多尺度细化,最终达到高频处时间细分,低频处频率细分,能自动适应时频信号分析的要求,从而可聚焦到信号的任意细节,解决了Fourier变换的困难问题,成为继Fourier变换以来在科学方法上的重大突破。(Image Wavelet Transform)
- 2020-06-18 04:40:01下载
- 积分:1
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12
说明: 通过高斯函数导数检测图像边缘,实质是方向可调小波变换检测图像边缘(8个方向变换)。(Gaussian function through derivative edge detection in real terms is adjustable direction edge detection wavelet transform (change the direction of 8).)
- 2009-04-23 22:50:42下载
- 积分:1
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wavelet_example
小波变换的例子, 小波变换的例子, 小波变换的例子, 小波变换的例子,(wavelet transform example, wavelet transform example, Wavelet Transform example, wavelet tra nsform example,)
- 2020-11-23 21:39:34下载
- 积分:1
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ridgelet_transform
用matlab编程实现了ridgelet多尺度变换,实现了图像的解析,重构,压缩等功能(Ridgelet with matlab programming a multi-scale transformation to achieve the image resolution, reconstruction, compression and other functions)
- 2021-01-14 21:18:46下载
- 积分:1
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lena
图像加入水印提取水印的Matlab代码,包括的内容较多,能够完成各种实验的要求。(Extracted watermark image watermark to join the Matlab code, including the contents of more to complete the requirements of various experiments.)
- 2009-06-07 10:40:06下载
- 积分:1
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xinhaochuli
信号处理小波分析
1)计算信号的小波变换。
2)求出模极大曲线。
3)计算其中两个奇异点的Lipschitz指数。
(Signal processing wavelet analysis 1) the calculation of wavelet transform signals. 2) calculated curve of modulus maxima. 3) the calculation of which two singular points of Lipschitz index.)
- 2021-01-29 12:58:40下载
- 积分:1
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OouraFFT-master
快速傅里叶变换,fft,ourrafft master(Fast Fourier Transform Algorithm)
- 2020-11-13 22:29:42下载
- 积分:1