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二维小波变换
- 关于二维小波变换的程序 [精华] 说明:此算法重在概念,速度并不是很快。因为FOR循环的缘故。此程序从循环矩阵的观点出发,把圆周卷积和快速幅里叶变换建立了联系。实现了分解和无失真重构。它只做了一层分解,即将256x256图形分解成为64x64的四个图形,避免了使用WKEEP()的困惑。主要思想为用小波滤波器族构造正交阵W,变换写为B=W*A*W ,反变换为:A=W *A*W,这与所有正交变换无异。W为循环正交矩阵,因此可用FFT实现快速运算,难点就在重构矩阵上。若用矩阵概念明确,一个
小波分解与重构
- 用VC++实现的一维小波分解与重构,含原理分析文档,对小波研究者极有用。-with VC of a peacekeeping wavelet decomposition and reconstruction, including principles to analyze documents, the researchers wavelet very useful.
一维小波逆变换源程序清单
- 小波逆变换的源代码-inverse wavelet transform source code
小波算法的vc实现
- 本程序是一维与两维小波算法的例子-this procedure is one-dimensional and two-dimensional examples of wavelet algorithm
一维小波变换
- 本程序用于实现一层小波变换,即在频域对图像进行处理-the procedures used to achieve a layer of wavelet transform, in the frequency domain for image processing
一维小波单支重构函数
- 一维小波单支重构函数,一维小波系数直接重构函数-Single one-dimensional reconstruction of wavelet functions, the direct reconstruction of one-dimensional wavelet function
work
- MATLAB环境下,一维小波分解并提取细节系数和近似系数,再加小波包分解信号-MATLAB environment, the one-dimensional wavelet decomposition and extract detail coefficients and approximation coefficients of wavelet packet decomposition of signal plus
morlet
- 构造的morlet小波基进行一维连续小波变换-continuous wavelet transform
一维和二维小波变换的VC实现
- 小波算法在vc的具体实现.小波算法在图像处理,视频压缩,特征提取等领域有广泛应用,程序以灰度图像为数据分别演示了一维和二维小波变换,希望对大家有所帮助.谢谢!-vc wavelet algorithm in a concrete realization. Wavelet algorithms in image processing, video compression, feature extraction and other fields have extensive application
wavelet
- 一维小波的分解和重构,可以运行,三层降维和重构,小波降噪。很实用-matlab wavelet
matlab97flift
- 这是小波变换的matlab程序,一维二维的情况下都有-This is the wavelet transform matlab procedures, one-dimensional two-dimensional case have
WavelAlg
- 本系统是一个基于VC++的小波算法,包含两个变换,一维小波变换和二维小波变换,对图像处理和视频压缩方面有很广泛的应用。-Based on this system is a VC++ Wavelet algorithm, consists of two transformations, one-dimensional wavelet transform and two-dimensional wavelet transform of image processing and video compr
WVLT
- 子目录说明: \wvlt\lib\ 中存放的一些基本的小波基定义和相关库函数; \wvlt\wrefine\ 中存放的是小波基细化的程序代码; \wvlt\wxfrm\ 中存放的是一维小波变换的数学实现。-Subdirectory note: wvltlib stored in some of the basic definition of wavelet and related library function wvltwrefine is stored in wavelet r
wavelet_signal
- 采用Mallat算法的一维和二维小波分解程序代码-Mallat algorithm using one-dimensional and two-dimensional wavelet decomposition code
WVLT
- 小波变换的VC源代码,包括各种小波基的定义和一维小波变换的实现-wavelet transform
mydwt
- 自己编写的一维小波程序。还是比较好用的,大家可以对照工具箱里的看下。-I have written a one-dimensional wavelet procedure.
456
- 一维小波变换用于奇异检测。采用不同消失矩的小波分解。-Singularity detection for 1-D signal using wavelet maxima.Demo for vanishing moment.
wavfft
- 对一个一维信号进行傅里叶变换和小波变换去噪,并比较两者的优劣,对小波变换初学者有很大帮助。-For a one-dimensional Fourier transform and wavelet signal denoising, and compare the advantages and disadvantages, the wavelet transform of great help for beginners.
myCwt
- 一维小波变换的c实现,包括harr小波、mexhat小波、以及morlet小波等-continuous wavlet transform,including harr、mexhat and morlet
二维离散小波变换
- mallatm.m:一维mallat快速分解函数 mallatr.m:一维mallat快速重建函数 mallatm2d.m:二维mallat快速分解与合成算法的演示函数,要调用mallatm.m与mallatr.m 在matlab命令行键入(Two dimensional discrete wavelet transform)