搜索资源列表
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
wavelet_signal
- 采用mallat算法进行小波分解/重构的程序，支持一维和二维信号-Mallat algorithm using wavelet decomposition / remodeling process, support one-and two-dimensional signal
5_3_lifting
- 采用5/3小波提升算法编写的一维和二维信号小波分解与重构程序。给出了图象分解的演示示例。-using 5 / 3 wavelet algorithm to enhance the one-and two-dimensional wavelet decomposition and reconstruction process. Given the decomposition of images demonstration examples.
mywavelet1
- 本人的小波课作业： 图像的daub4小波包分解和重构，以及画shannon小波函数等-I wavelet class operations : Image daub4 wavelet packet decomposition and reconstruction. shannon and paintings such as wavelet function
toolbox_liftwave
- 一个提升小波变换的matlab工具包。可以实现97，53，haar等系列的提升小波分解与重构。-an upgrade wavelet transform Matlab tool kit. 97,53 can be achieved, haar series of lifting wavelet decomposition and reconstruction.
Biorthogonal
- MakeBSFilter产生完全重构双正交对称滤波器 MakeBSWavelet产生双正交对称小波和尺度函数的图形-MakeBSFilter have completely remodeling Biorthogonal symmetrical filter MakeBSWave have let biorthogonal wavelet and symmetric scaling function graphics
一维信号小波分解与重构的VC++源程序
- 这是一个使用VC++编写的“一维信号小波分解与重构的VC++源程序”，请站长检查-It is a preparation of the VC "one-dimensional wavelet decomposition and reconstruction VC source", please check station
小波分解与重构的几个matlab程序
- 用matlab实现小波分解与重构的几个程序的源代码。-using Matlab achieve wavelet decomposition and reconstruction of several programs at the source code.
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
wavlet
- 离散正交小波变换及小波重构，程序中给出测试数据，可得到这组数据小波分解后的低频分量和重构以后的数据-Discrete orthogonal wavelet transform and wavelet reconstruction, procedures given in the test data, available in this set of data after wavelet decomposition and reconstruction after low-frequency co
MyDwt2D
- 对图像进行二维离散小波变换, 变换级数大于等于3级,然后统计系数中0的个数（百分比表示），并进行重构, 最后计算重构图像的峰值信噪比(PSNR). 里面还附上了我写的实验报告，对大家理解Mallat算法和图像压缩很有帮助-Image two-dimensional discrete wavelet transform, transform series greater than or equal to 3, and then statistics of the number of c
xiaobo
- 本代码给出了图像的二维离散小波变换分解、重构图像以及误差图像。-The code gives the two-dimensional image decomposition of discrete wavelet transform, image reconstruction and the error image.
Example2_6_1
- 对图像的小波分解与重构，并且进行阈值滤波，对滤波前后的图像进行了对比-The image of the wavelet decomposition and reconstruction, and the threshold to filter the images before and after filtering were compared
wavelet_program
- 小波分析，图像重构程序-Wavelet analysis, image reconstruction procedure
wavedec2
- 该程序利用小波多尺度分解，提取近似系数和细节系数重构原图像-It uses wavelet decomposition to extract approximate coefficients and detail coefficients of the original image reconstruction
2
- 相空间重构中嵌入维数和延迟时间的选择关系到非线性时间序列重构的质量，介绍了小波变换方法确定重构中的两个参数-Reconstruction of phase space embedding dimension and delay time related to the choice of the quality of reconstruction of nonlinear time series, introduces the wavelet transform method to determi
wfb2rec
- 对进行二维小波分解后的图像，进行小波重构-Two-dimensional wavelet decomposition of the image, the wavelet reconstruction
txtXinhaozairu,plot,MATLAB
- 原始txt信号载入，小波变换，小波2、3层低、高频系数重构(The signal is loaded, the signal is intercepted, the signal is transformed by wavelet transform, and the wavelet is reconstructed with low and high frequency)
小波变换,高频系数重构
- 小波变换，小波重构，MATLAB，数据载入，绘图(Wavelet transform, wavelet reconstruction, MATLAB)
小波变换,小波重构,MATLAB
- 小波变换，小波重构，信号载入并绘图，含信号数据，MATLAB(Wavelet transform, wavelet reconstruction, signal loading and plotting, including signal data, MATLAB)