搜索资源列表
Haarwavelet
- 基于最简单的小波基函数Haar的图像变换于反变换的MATLAB实现，一维和二维均有代码-Based on the most simplest Haar wavelet function, the image transform in the inverse transform of the MATLAB implementation, both one-dimensional and two-dimensional code
src
- 利用java写的一个简单的快速傅里叶变换的程序，包括正、逆变换。-Using java to write a simple fast Fourier transform procedure, including forward and inverse transform.
BispectrumWavelets
- 用双谱和小波变换去除信号中加性高斯噪声的相关程序 1.实现单个变量的双谱分析程序 2.用傅立叶反变换求自相关函数的程序 3.用fft求取喜好频谱、功率谱、均方根谱、对数谱的程序 4.读取.wav语音信号后用小波去加信白噪声的程序 5.用各种小波和阀值对同一信号去加性噪声效果比较的程序 -Double-spectral and wavelet transform to remove the signal plus Gaussian noise procedures 1. T
ch2
- 第2章 信号变换 67 2.1 Z变换及MATLAB实现 67 2.1.1 Z变换的定义 68 2.1.2 Z变换的收敛域 68 2.1.3 Z逆变换 70 2.1.4 Z变换的性质 72 2.1.5 Z变换的工程应用 74 2.2 Chirp Z变换及MATLAB实现 77 2.2.1 Chirp Z变换的定义 77 2.2.2 Chirp Z变换的计算方法 79 2.2.3 Chirp Z变换的MATLAB实现 80 2.3 离散傅里叶变换及MAT
waveletlegall53
- Le Gall 5/3 小波变换及其反变换，可用于JPEG2000无损压缩中-Le Gall 5/3 wavelet transform and its inverse transform，which can be used for lossless compression in JPEG2000
WavelettransformsinMATLAB
- 执行一维和二维小波变换在MATLAB环境中。十几包括的小波函数有： * Haar * Daubechies 1-6 * Symlets 1-6 * Coiflets 1 and 2 * Splines and reverse splines * CDF 9/7 and Le Gall 5/3 * S+P wavelets (2,2), (4,2), (4,4), (6,2), and (2+2,2) * Two Ten "TT" * Low-complexit
wavelet
- 双正交小波的正变换和反变换，以及显示程序；提升小波的正变换和反变换，以及显示程序-Are the biorthogonal wavelet transform and inverse transform, and display procedures the lifting wavelet transform and inverse transform is, as well as the display program
FastWalshHadamardtransform
- The function implement the 1D sequency(Walsh) ordered fast Walsh-Hadamard transform which can be used in signal processing, pattern recongnition and Genetic alogorithms. This algorithm uses a Cooley-Tukey type signal flow graph and is implemented
Fourier-properties-analysis
- Fourier变换，逆变换后信号的合成，及Fourier变换的一些性质分析。-Fourier transform, inverse transform signal synthesis, and some properties of Fourier transform analysis.
Computing_the_wavelet_transform_of_an_image
- Computing the wavelet transform of an image First we load the image Then we set up the parameter of the transform At last we actually perform the transform If we do the inverse transform, we get back nearly the original image Finaly we disp
function
- 二次函数、反比例函数绘图.可以自由变换所画的函数-Quadratic function, mapping function inverse proportion. Are free to transform the function of painting
DctQuant
- 工程名为DctQuant，编程实现了一帧CIF格式4:2:0的YUV图像的H.264的整数变换、量化以及逆量化、逆变换。具体的功能表述如下： 1、首先按“打开YUV”按钮，选择一帧格式为CIF的4:2:0的YUV图像（默认的YUV图像的格式为4:2:0的CIF格式）。选择完成后，可以看到显示的输入图像。 2、输入QP值，QP是0到51之间的整数值，超出范围，会弹出对话框提示。QP默认为28。注意：当改变QP值为0时，即没有量化，则点击转换按钮显示出的PSNR值即为输入图像的PSNR值。
walsh
- 利用快速傅立叶算法，实现快速沃尔什-哈达玛变换及其逆变换-Using fast Fourier algorithm, fast Walsh- Hadamard transform and its inverse transform
KLH
- 图形变换源码集，包括霍特林变换(K-L变换)，沃尔什哈达玛反变换，VC实现-Graphic transformation source code sets, including the Hotelling transform (KL transform),沃尔什哈达玛inverse transform, VC implementation
Arnold_transform
- 利用Matlab实现Arnold变换的功能，已经变成为函数形式，可以直接调用。包含变换和反变换两种形式-Arnold transformation achieved using Matlab functions have been turned into a function form, can be directly invoked. Contains two forms of transform and inverse transform
cvWavelete
- 用opencv实现的图像小波变换及反变换代码，可用于图像去噪、多分辨率分析等方面。-Opencv achieved with wavelet transform and inverse transform the image code can be used for image denoising, multi-resolution analysis and so on.
daopufenxi
- 倒谱分析 倒谱分析是指信号短时振幅谱的对数傅里叶反 变换。它具有可近似地分离并提取出频谱包络信息 和细微结构信息的特点-Cepstrum analysis cepstrum analysis is the signal amplitude spectrum on the number of short-time Fourier inverse transform. It has can be approximately isolated and extracted spectral en
DWT-VHDL
- 小波变换的VHDL代码，内带正变换逆变换的测试文件。-Wavelet transform VHDL code, with a positive transformation within the inverse transform of the test file.
the_Fourier_transform_of_image
- 程序基于CVI来编写，可实现对二维图像的傅里叶正反变换和反变换。-Program is based on CVI to write, can realize the positive and negative two-dimensional image of the Fourier transform and inverse transform.
Wavele-transform
- 图像的三层小波变换、行列变换、高通滤波、低通滤波、反变换-Image of the three wavelet transform, rank transform, high pass filter, low pass filtering, inverse transform