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The S transform is variable window of short time Fourier transform (STFT) or an
extension of wavelet transform (WT). It is based on a scalable localizing Gaussian
window and supplies the frequency dependent resolution. In this tutorial, we
int
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首先根据高斯白噪声频率充满整个频带的特性,通过双树复小波包变换对高斯白噪声进行分解,利用频带能量泄漏的定量分析方法,验证了双树复小波包变换具有较低的频带能量泄漏特性;其次利用双树复小波包变换逐层分解信号,对每层分解所得分量求其FFT谱的峭度,得到基于双树复小波包变换的谱峭度图,根据图中峭度最大的原则,可以自动准确的选择信号分解最佳层数和最佳分量;最后将基于双树复小波包变换的谱峭度图的故障诊断方法应用于实际工程中,对齿轮故障振动信号进行分析,选择最佳分解层数和分量后利用希尔伯特包络解调,有效准确地
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原图-高斯白噪声-灰度图-中值滤波-小波除噪-Sobel算子-Roberts算子-Prewitt算子-Original- Gaussian white noise- gray- median filter- Wavelet Noise-Sobel operator-Roberts operator-Prewitt operator
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内有操作说明: 操作说明.docx
加噪:高斯、椒盐等
去噪:小波、高斯、维纳及频域上的滤波(频率可调)
压缩:JPEG、小波、PCA、位平面、FFT、DCT
以上功能都集成在了GUI界面内-There are instructions: instructions docx plus noise: Gaussian, salt and pepper and other de-noising: wavelet, Gaussian, and Wiener filter in the
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我按这篇文章做的,广义高斯分布及其在图像去噪中的应用,没有完全做出来,谁做出来了,分享一下- The statistics of imagewavelet coefficients is non2Gaussian and can be described by generalized Gaussian
distribution (GGD). The paper investigates the issues of GGD statisticalmodel for wavelet coeffi
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振动消噪代码,包括白噪声、有色噪声、粉色噪声的生成;相关系数法消噪、小波软阈值消噪、互相关系数消噪三种方法对比。-Gaussian white noise, Gaussian colored noise and pink noise have been processed to verify the validity of the algorithm. we also compared the proposed method with the correlation coefficient m
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针对高斯白噪声,高斯色噪声以及色噪声中常见的粉红色噪声进行了降噪处理,并与相关系数法、小波软阈值降噪方法进行了对比- Gaussian white noise, Gaussian colored noise and pink noise have been processed to verify the validity of the algorithm. we also compared the proposed method with the correlation coefficient
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BLS-GSM代表“Bayesian Least Squares - Gaussian Scale Mixture(贝叶斯最小二乘-高斯尺度混合模型)”。
这个工具箱实现了该篇论文中介绍的算法:
J Portilla, V Strela, M Wainwright, E P Simoncelli, Image Denoising
using Scale Mixtures of Gaussians in the Wavelet Domain, IEEE
Transaction
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高斯白噪声的生成程序,Gabor小波变换与PCA的人脸识别代码,有信道编码,调制,信道估计等。- Gaussian white noise generator, Gabor wavelet transform and PCA face recognition code, Channel coding, modulation, channel estimation.
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非常适合计算机视觉方面的研究使用,高斯白噪声的生成程序,有小波分析的盲信号处理。- Very suitable for the study using computer vision, Gaussian white noise generator, There Wavelet Analysis Blind Signal Processing.
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基于掌纹识别的在线身份验证 识别算法本科毕设,采用了小波去噪的思想,高斯白噪声的生成程序。- Verify recognition algorithm based on palmprint recognition undergraduate complete set of online identity, Using wavelet denoising thought, Gaussian white noise generator.
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导入一幅含有交通标志的图像,可以对该图像添加高斯、椒盐等噪声并进行中值滤波、维纳滤波、小波去噪等,最终目的可以实现对图像的RGB、HSV以及SVF的颜色分割。-Importing a traffic sign containing the image, you can add a Gaussian, salt and pepper and other noise on the image and median filtering, Wiener filtering, wavelet de-noi
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高斯白噪声的生成程序,基于小波变换的数字水印算法matlab代码,对球谐函数图形进行仿真。- Gaussian white noise generator, Based on wavelet transform digital watermarking algorithm matlab code, Of spherical harmonics graphic simulation.
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具有丰富的参数选项,小波包分析提取振动信号中的特征频率,高斯白噪声的生成程序。- It has a wealth of parameter options, Wavelet packet analysis to extract vibration signal characteristic frequency, Gaussian white noise generator.
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高斯白噪声的生成程序,采用了小波去噪的思想,小波包分析提取振动信号中的特征频率。- Gaussian white noise generator, Using wavelet denoising thought, Wavelet packet analysis to extract vibration signal characteristic frequency.
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小波包分析提取振动信号中的特征频率,D-S证据理论数据融合,高斯白噪声的生成程序。- Wavelet packet analysis to extract vibration signal characteristic frequency, D-S evidence theory data fusion, Gaussian white noise generator.
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matlab程序运行时导入数据文件作为输入参数,高斯白噪声的生成程序,Gabor小波变换与PCA的人脸识别代码。- Import data files as input parameters matlab program is running, Gaussian white noise generator, Gabor wavelet transform and PCA face recognition code.
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最小二乘回归分析算法,高斯白噪声的生成程序,有小波分析的盲信号处理。- Least-squares regression analysis algorithm, Gaussian white noise generator, There Wavelet Analysis Blind Signal Processing.
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采用了小波去噪的思想,高斯白噪声的生成程序,IDW距离反比加权方法。- Using wavelet denoising thought, Gaussian white noise generator, IDW inverse distance weighting method.
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高斯白噪声的生成程序,小波包分析提取振动信号中的特征频率,包含CV、CA、Single、当前、恒转弯速率、转弯模型。- Gaussian white noise generator, Wavelet packet analysis to extract vibration signal characteristic frequency, It contains CV, CA, Single, current, constant turn rate, turning model.
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