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denoising
小波变换、EMD以及EMD结合小波变换几种常用的时频去噪方法的对比分析(Wavelet transform, EMD and the EMD of several commonly used wavelet transform time-frequency denoising Comparative Analysis)
- 2021-01-06 10:38:53下载
- 积分:1
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ImgReconstruction
基于小波变换的图片重建 有完整代码 工程 以及说明 涉及到图片的切割(image reconstruction based on wavelet translate )
- 2012-08-27 15:51:29下载
- 积分:1
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decomposition
运行emd,得到输入信号X的固有模态函数(imf),每列代表着信号X的一阶分量,X就是我们采集的信号。
hhtdn是hht去噪的程序,可以不看,仅看emd 和 findpeaks
wvtdn是wavelet去噪程序,如果只是分解信号,仅用下面的语句即可
[C,L] = wavedec(x_noise,dl,wn);
x_noise就是我们采集的信号,dl是分解的阶数,wn是分解的母小波名称(% Empiricial Mode Decomposition (Hilbert-Huang Transform)
% imf = emd(x)
% Func : findpeaks)
- 2021-04-13 22:28:55下载
- 积分:1
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FK_Transform
实现f-k变换,功能强大,各种滤波处理,地震波等都能用(wavelet transformF -k transform, powerful, a variety of filtering, seismic waves can be used)
- 2019-03-20 15:44:28下载
- 积分:1
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matlab-cwt
连续小波变换的MATLAB实现(未调用cwt函数)(Continuous wavelet transform of MATLAB (not using function cwt))
- 2021-03-16 01:19:23下载
- 积分:1
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gabor_filter
实现对图像的gabor小波变换,利用了opencv的函数库,可实现方向和尺度等多项选择。(Achieve image gabor wavelet transform, using the opencv function library, enabling the direction and scale and many other options.)
- 2010-08-06 15:46:39下载
- 积分:1
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TAnalysis
说明: 傅立叶功率谱法求纹理特征
可解压缩后直接执行(Fourier power spectrum method for texture features can be extracted directly after implementation)
- 2006-04-09 09:28:27下载
- 积分:1
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Daubechies
java小波变换的实现,包括哈尔小波,以及在这基础上改进的小波实现。(The implementation of Daubechies wavelets.)
- 2012-03-27 11:14:14下载
- 积分:1
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wavelet
说明: 小波变换用于脑电信号处理,可以很好的对脑电信号进行时频分析(Wavelet transform for EEG signal processing, can be very good for time-frequency analysis of EEG)
- 2011-03-04 19:17:07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