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waveletcg_example
- 一维小波变换一层重构,实现MALLAT算法重构,经测试完全正确。-Layer of one-dimensional wavelet transform reconstruction algorithm to achieve MALLAT reconstruction, tested entirely correct.
wavelet03
- 程序生成正弦信号和三角波信号,对叠加信号进行一维小波变换(6层),重构6层逼近系数,并显示。-Program generates sine wave and triangular wave signals, superposition of signals of one-dimensional wavelet transform (6 layer), reconstruct 6 layer approximation coefficient, and displayed.
xiaobofenjie
- 1)了解小波分解与小波包分解概念区别与联系; 2)了解小波包的分解和重构算法积; 3)用matlab编程对信号进行小波包分解及小波能量图的绘制。 -1) to understand the wavelet decomposition and wavelet packet decomposition of differences and relations between concepts 2) to understand the wavelet packet decompositi
DWT_2D_matlab
- 用DWT实现二维小波变换:对图像进行二维小波分解,显示分解结果,最后重构源图像并显示结果 -Achieved using two-dimensional wavelet transform DWT: two-dimensional wavelet decomposition of the image, showing decomposition results, and finally reconstruct the source image and display the results
xiaoboquzaofenxi
- 小波去噪分析,一维信号小波分解,消噪处理,重构-Analysis of wavelet denoising
xiaobosanjiefenjiechonggou
- 对心音信号进行小波三阶分解重构(默认阈值,软阈值)的matlab程序-wavelet decompose and redistribute matlab
Haar-wavelet-image--processing
- 用matlab编写的基于Haar小波变换的图像增强处理,同时可实现小波正变换,小波逆变换,实现小波分解与重构源代码。-Written by matlab Haar wavelet-based image enhancement processing, and can achieve positive wavelet transform, inverse wavelet transform, wavelet decomposition and reconstruction to achieve t
labview
- 利用LabViev设计虚拟消噪器,利用小波对信号进行分解,然后设定阈值,再对小波进行重构。-Denoising using LabViev virtual device design, the use of wavelet signal decomposition, and then set the threshold value, then the wavelet reconstructed.
wavalet
- 通过小波变换对图像信号进行分解,去噪,压缩再重构,得到处理后的图像-Images using wavelet transform signal decomposition, denoising, compression and then reconstructed to obtain the processed image
li3-13
- 利用二维小波变换实现数字水印,首先在图像中加入水印,重构图像,分离水印,最后检测和计算阈值。-Two-dimensional wavelet transform digital watermark, the first to add a watermark in the image, the reconstructed image, separate watermarks, detection and calculation of the final threshold.
li5-39
- 先进行提升小波变换,然后使用提升小波进行图像的分解和重构-Be carried out on lifting wavelet transform, and then use the images to enhance the wavelet decomposition and reconstruction
waveletsignalsingularitydetection
- 应用matlab语言实现小波分析的检测分析信号的奇异点 db小波分解 重构-matlab wavelets
wavelet-MATLAB-code
- 实现以下功能:装载信号;完成信号的单尺度一维离散小波分解;从系数中重构低频部分和高频部分;显示高频和低频部分;由小波逆变换恢复信号;多层一维分解;提取系数的低频和高频部分;重构第3层的低频系数;重构第1、2、3、4、5层的高频信号;重构原始信号并显示-Achieve the following functions: load signal complete signal single-scale one-dimensional discrete wavelet decomposition r
wavelet-reconstruction
- 重构是用分解得到的多分辨率下的小波系数,将多尺度小波合成原信号.不是分解完了马上重构的,中间可能有去噪的过程啊,压缩的过程.-Reconstruction is under multi-resolution decomposition of the wavelet coefficients, the wavelet multi-scale synthesis of the original signal reconstruction is not immediately broken down
xiaoboquzao
- 采用小波去噪的方法对语音信号进行分解和重构,进而提取有效成分,实现信号的去噪-Wavelet denoising method of voice signal decomposition and reconstruction, and then extract the active ingredients, for signal denoising
小波去噪程序
- 局部放电试验所采集的信号中往往混有白噪声、周期干扰信号去除。此处采用常用db系列小波中的db6小波进行9尺度的多分辨分解后,根据白噪声能量特性,估算各尺度的阈值大小,采用硬值进行处理,后进行重构。Matlab程序如下:
利用小波变换进行图像的分解和重构
- 利用haar小波,对图像实现分解和重建。对于研究图像的小波域特征有着非常重要的作用!
synsq_toolbox_v1
- 对信号分析实现同步挤压小波,能进行时频分析,进行信号时频分解和重构,时频分析效果很好(Synchrosqueezed wavelet transforms toolbox V1.0)
computer
- 文件包含三个主程序,和相关图像,三个主程序分别为computer1,computer2,computer3 computer1对图像进行了灰度化,保存等实现; computer2对图像进行了傅里叶变换,离散余旋变化,二层小波变化及重构等,并对图像进行三层小波变换,分别将HL,LH,HH三个子带置零都重构; computer3实现了图像直方图均衡化,并对图像进行了同态滤波。(The file contains three main programs, and related images, thr
sgwt_toolbox
- 一种定义在图上的小波变换,更好的实现图像重构。(A wavelet transform defined in the graph is better for image reconstruction.)