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walsh变换
- 该程序实现了对一幅图象进行Walsh变换。首先定义了一个imagewnd类, 该类可用于位图的创建、显示;WALh函数为快速沃尔什-哈达玛变换,f为时域值,F为变换域值,power为2的幂数,Walsh1函数为二维变换;在该函数中取出了一幅位图的所有像素,用来进行变换.具体算法过于专业,我就不细说了。-the realization of an image Walsh transform. First imagewnd definiti
码序列及相关
- walsh码的生成程序,小m序列的生成程序,以及求序列之间周期和非周期相关函数-code generation process, small m sequence generation process and seek sequence between cycles and cycle-related function
imagetransformationbymatlab
- 1.图像频域处理正交变换的matlab实例 2.含有的频域变换内容如下: 正交变换通用算子 傅立叶变换 傅立叶变换的原理 傅立叶性质 二维离散傅立叶变换( 2DDFT ) 快速傅立叶变换( FFT ) 傅立叶变换的研究与应用 离散余弦变换 DCT 变换矩阵 dct2 函数和 dctmtx 函数 Walsh- Hadamard 变换 Radon 变换 -1. Im
ImageProcess
- 各种图像的处理,如:平滑。锐化。边缘增强。边缘检测。中值滤波去噪。沃尔什-哈达玛变换等-Deal with a variety of images, such as: smooth. Sharpening. Edge enhancement. Edge detection. Median filter denoising. Walsh- Hadamard transform
FreTrans.cpp
- * FFT() - 快速付立叶变换 * IFFT() - 快速付立叶反变换 * DCT() - 离散余弦变换 * WALSH() - 沃尔什-哈达玛变换 * * Fourier() - 图像的付立叶变换 * DIBDct() - 图像的离散余弦变换 * DIBWalsh() - 图像的沃尔什-哈达玛变换-* FFT ()- Fast Fourier Trans
Fast2DWalshHadamardTransform
- Fast 2D Walsh-Hadamard Transform二维快速walsh变换的码头喇叭源程序-Fast 2D Walsh-Hadamard Transform two-dimensional fast walsh transform source speaker terminals
walsh_transform
- 对二维图像进行沃尔什变换,之后用图像的四分之一进行沃尔什反变换来复原图像,并比较误差-Two-dimensional images of the Walsh transform, followed by a quarter of the image to the anti-Walsh transform to recover images, and compare the error
Walsh-Hadamard_code
- Generates the Walsh-Hadamard codes and checks orthogonality
Ten
- 第十章 MATLAB 图像正交变换 10.1 正交变换通用算子 10.2 傅立叶变换 10.2.1 傅立叶变换的原理 10.2.2 傅立叶性质 10.2.3 二维离散傅立叶变换( 2DDFT ) 10.2.4 快速傅立叶变换( FFT ) 10.2.5 傅立叶变换的研究与应用 10.3 离散余弦变换 10.3.1 DCT 变换矩阵 10.3.2 dct2 函数和 dctmtx
FreTrans
- 实现图像几何变换函数(图像平移,图像镜像 ,图像转置 ,图像缩放,图像旋转),傅里叶变换,离散余弦变换,沃尔什-哈达玛变换。输入256位图像即可使用,包含详细注释,非常有参考价值。-Image geometric transformation function (image shift, image mirroring, image transpose, image scaling, image rotation), Fourier
walsh
- Walsh Hadamard codes algorithm
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
WalshHadmard
- Walsh-Hadamard codes are mutually orthognal codes, thus when used in synchronous CDMA, the interference between users is zero. This programm generates Walsh-Hadamard codes and also checks the orthogonality. You
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
Walsh
- 利用ISE编写的产生WALSH码的verilog程序,简单易懂,稍稍修改就可以产生出自己想的8 16 32 64位的WALSH码-Prepared using ISE verilog code generated WALSH procedures, easy to understand, a little modification can generate their own like the 8,16,32,64-bit code W
Codigo-de-Walsh-Hadamard-for-LTE
- Codigo Walsh-Hadamard y Gold, parte teórica alguna descripción del código-Codigo Walsh-Hadamard y Gold, parte teórica alguna descripción del código...
Walsh---Hadamard-transform
- 二维图像的沃尔什-哈达玛变换matlab实现。-Two-dimensional image of the Walsh- Hadamard transform matlab.
Fast-Walsh-Hadamard-Transform
- Fast Walsh-Hadamard Transform
E2-频域增强
- 一、 计算图象的频谱函数 设计图象120*30/256*256;选用Matlab函数直接调用实现。 二、根据计算证明傅立叶变换的性质 1, 共轭对称性: F(u,v)=F*(-u,-v) ; 三、图象的频域滤波 1, 设计一个指数低通滤波器,对两图象(f1(x,y)为30*30/256*256的图象;f2(x,y)=p3-02图象)进行低通滤波,观察分析空域图象和频谱分布的变化。 四、图象变换比较