搜索资源列表
lwt
- 提升小波变换程序， %LWT Lifting wavelet decomposition 1-D. % LWT performs a 1-D lifting wavelet decomposition % with respect to a particular lifted wavelet that you specify.-lifting wavelet transform procedures% Local Walsh Transform Lifting wavelet dec
fftw-3.1.2.tar
- This award winning library is a C library for \"computing the Discrete Fourier Transform (DFT) in one or more dimensions, of both real and complex data, and of arbitrary input size.\" -This award winning library is a C library az r "computing th
toolbox_wavelets
- 一个很好用的matlab下运行的小波工具箱-A very good run with the matlab wavelet toolbox
wavelet_transformation
- 简单的小波压缩变换工作的原理如下: 信号和求导信号,形成的求同信号序列和求导信号序列的长度均为输入信号的长度的一半.如果输入信号序列是A={a(1),...,a(n)}求同信号S={s(1),...,s(n/2)}和求异信号D={d(1),...,d(n/2)}的计算方式为: for i=1,...,n/2 s(i)=a(2*i-1)+a(2*i) d(i)=a(2*i-1)-a(2*i) 例如输入信号是: 5,2,3,2,5,7,9,6
dt-dwt_D
- 双树复数小波变换的Matlab程序的D部分，全部解压到同一个文件夹下后可直接调用函数-Dual-Tree Complex Wavelet Transform Matlab for the D part of the procedure, all extract to the same folder can be a direct call function
mask_swt
- 采用a trous算法实现静态小波变换(SWT)。尺度函数的生成采用cascade(mask)算法-Á trous algorithm for 1-D stationary wavelet transform.An interesting demo for generating scale function using mask (cascade) algorithm.
multi_basis_wavelet_image
- 采用多种小波基实现了2维图像的小波变换，可以用来比较不同小波基的变化特性-Achieved using a variety of wavelet transform 2-D images that can be used to compare changes in properties of different wavelets
zhouliu
- A VLSI Architecture for the 2-D Discrete Wavelet Transform
Remote-sensing
- GRS上2011年一篇关于使用方向小波变换对遥感图像进行压缩的程序-In this paper, a 2-D oriented wavelet transform (OWT) is introduced for effi cient remote-sensing image compression.
d
- 小波谱分析mallat算法经典程序，在得到广泛的实际应用中。-Algorithm for spectral analysis mallat small classic program, having received a wide range of practical applications.
wavelet_wx
- （1.）二维信号的小波分解。选择一个小波和小波分解的层次N，然后计算信号s到第N层的分解。 （2）对高斯系数进行阈值量化。对于从1到N的每一层，选择一个阈值，并对这一层的高斯系数进行软阈值量化处理。 （3）二维信号的重构。根据小波分解的第N层的低频系数和经过修改的从第1层到第N层的各层高频系数计算二维信号的小波重构。 -(1) 2 d signal wavelet decomposition. Choose a wavelet and wavelet decomposition le
The-complex-3D-dual-tree-DWT
- 复杂的3 d双树离散小波变换(DWT)同样也引起了小波的两倍作为真正的3 d双树离散小波变换(DWT)。这两个小波在每一个方向,可以解释为真实的和虚构的部分一个复数的3 d小波。复杂的3 d双树被实现为八严格采样可分3 d DWTs操作在并行。然而,不同的过滤器集用于每个三个维度。 -3 d complex- Doubletree discrete wavelet transform (DWT) also caused the wavelet twice as a real 3 d Doub
2DDWT
- 复杂的二维双树离散小波变换(DWT)同样也引起了小波在六个不同的方向,但是,在这种情况下有两种小波在每个方向将如下所示。在每一个方向,一个两个小波可以被解释为一个复数的真实部分2 d小波,而其他小波可以被解释为一个复数的虚部2 d小波。因为复杂的版本有两倍的小波作为真正的版本的转换、复杂的版本是4次膨胀。复杂的二维双树被实现为四个严格采样可分二维DWTs操作在并行。然而,不同的过滤器集一起使用的行和列。正如在现实情况下,金额和不同的子带图像进行小波得到定向。复杂的二维双树DWT的图像x是由以下函
PWM
- 可调占空比的PWM输出转换成D/A输出的波形与计算法-Adjustable duty cycle of the PWM output into the D/A output waveform calculation
ori-attn
- MATLAB function to initialize and call the solve_sps2d function, which implements a 2-D solution of the nonlinear wave equation using a psuedospectral / staggered A-B method, including attenuation modeled with two relaxation mechanisms
1-D-Discrete-Wavelet-Transform-in-MATLAB
- i a programmer and just start with matlab ,,, need to have more skills