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70099729wavelet_denoise
- 利用小波算法实现图像去噪,包含软硬阈值去噪,中值,均值滤波等,内含图片灰度与彩色实例。以及代码文件说明、(The wavelet algorithm is used to denoise the image, including the soft and hard threshold de-noising, the median, the mean filtering and so on, including the image gray and color examples. And code
小波去噪
- 利用小波对信号进行去噪操作,可以更改参数,实现软硬阈值的更改,可用
BA于MATLAB的小波包分析在信号降噪中的应用
- 主要用于信号的预处理去噪,经过变换以后实现信号的重构,具有很好的效果。(It is mainly used for signal preprocessing de-noising, after transformation, it can realize the reconstruction of the signal, which has good effect.)
小波阀值去噪
- 利用小波变换实现图像去噪,对比原图观察去噪效果(Image denoising is realized by wavelet transform, and the effect of noise reduction is compared with original image.)
小波例程讲解分析
- 此编程主要是讲解一些小波变换方面的例子,例如去噪,图像处理和小波变换分解,方便大家学习和应用,均可实现(This programming is mainly to explain some examples of wavelet transform, for example, denoising, image processing and wavelet transform decomposition, so that everyone can learn and apply.)
形态滤波降噪
- 采用形态滤波器去除噪声,分别采用eemd、形态滤波器小波去噪等方法去噪,并对比(choose Morphology filters for analyzing roller bearing fault signal, and compared to the EMD EEMD WT METHODES)
whmt
- 用于图像去噪的代码,有模型去噪、双树复小波去噪,希望有帮助。(Code for image denoising, a denoising model dual tree complex wavelet denoising, hope to have help。)
语音信号去噪 未实现
- 对语音信号进行小波变换,达到将低信噪比的要求。(Wavelet transform is used to achieve low SNR requirements)
双树复小波分解+特征提取+输出Excel
- 运行小波变换对图像进行处理分析,包括去噪纹理提取等(Running wavelet transform to process and analyze image, including denoising texture extraction, etc.)
xiaobo
- 小波改进阈值去噪,并分析去噪后信号的信噪比和均方误差(Improving threshold denoising by wavelet transform and analyzing signal-to-noise ratio and mean square error of denoised signal)
xiao_bo
- 利用小波变换,对加噪后的语音信号进行去噪处理,可以实现较好的效果,且语音信号失真小。(Using wavelet transform,the noised speech signal is denoised.Good results can be achieved and speech signal distortion is small.)
去噪
- 通过matlab实现 1显示图像 2对图像加噪 3硬阈值去噪 4软阈值去噪 5计算峰值信噪比(Image denoising, hard threshold denoising and soft threshold denoising.)
小波改进
- 软阈值去噪,硬阈值去噪,半软阈值去噪,并对比这三个的信噪比(Soft threshold de-noising, hard threshold de-noising, semi-soft threshold de-noising, and comparing the three signal-to-noise ratios)
图像去噪(matlab)
- 使用中值,均值,小波,DCT,PCA五种方法实现对图像的去噪处理。(Five methods, median, mean, wavelet, DCT and PCA, are used to denoise the image.)
emd对一维信号去噪
- 三种emd去噪方法:1、直接使用小波阈值,进行硬阈值去噪;2、使用具有emd分解特性的阈值去噪;3、emd分解后的平移不变去噪。(Three kinds of EMD denoising methods: 1. Direct use of wavelet threshold for hard threshold denoising; 2. Use of threshold denoising with EMD decomposition characteristics; 3. Translati
基于 HHT 的船体结构应力监测数据 特征分析和去噪方法
- [目的]为了去除船体结构应力监测数据中的噪声信号,获得有效的数据信息,以便为后续数据挖掘提 供支撑,[方法]首先,采用 HHT 方法中的经验模态分解(EMD)算法对数据进行成分分析,得到固有模态函数 (IMF)和余项。然后,通过 Hilbert变换得到 Hilbert谱,证明应力监测数据的非平稳特性。最后,以信噪比(SNR) 和均方根误差(RMSE)为例,结合自适应去噪和小波阈值去噪两种方法对应力监测数据进行去噪效果比较。 [结果]结果表明,基于 HHT方法的自适应去噪和小波去噪都具有一定
小波变换
- 做地震数据处理的去噪程序,通过原始信号,加噪声的信号,以及小波变换的信号进行比较分析,并生成图像。(Do the denoising program of seismic data processing, compare and analyze the original signal, noise signal and wavelet transform signal, and generate the image.)
小波与小波包去噪
- matlab代码小波去噪与小波包去噪,可将两者用于比较和学习!--Matlab code about wavelet denoising and wavelet packet denoising, the two methods can be used for comparison and learning!
毕业设计(论文)-基于MATLAB小波变换的去噪应用
- MATLAB小波变换降噪,内附完整代码。有需要的可以下载看看。(Matlab wavelet transform denoising)
小波实验
- 哈尔小波转换 一维信号与二维图像的三级分解 信号去噪与重构 morlet小波连续小波变换(Haar wavelet Three level decomposition of one dimensional signal and two dimensional image Signal denoising and reconstruction morlet wavelet continuous wavelet transform)