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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 definition of a category, such can be
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. Image processing orthogonal freq
Fast2DWalshHadamardTransform
- Fast 2D Walsh-Hadamard Transform二维快速walsh变换的码头喇叭源程序
HTv32
- 这是基于matlab的图像哈达玛变换域数字水印源代码。-This is based on the Hadamard Transform Image matlab domain digital watermarking source code.
FastWalshTransform
- fwt,fwt2分别是一维、二维快速沃尔什变换函数,采用蝶形快速算法编写,要比利用矩阵相乘得到变换结果的离散沃尔什变换快很多-fwt, fwt2 are one-dimensional, two-dimensional fast Walsh transform function, the use of butterfly Fast Algorithm for the preparation of, than the use of transformation matrices to be the
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 函数 10.4 Walsh- Hadamard 变换
FreTrans.cpp
- 快速付立叶变换快速付立叶反变换离散余弦变换沃尔什-哈达玛变换图像的付立叶变换图像的离散余弦变换图像的沃尔什-哈达玛变换-Fast Fourier Transform Fast Fourier Transform Discrete Cosine Transform Walsh- Hadamard Transform Image Fourier Transform of the discrete cosine transform image images Walsh- Hadamard Transf
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 transform, discrete cosine tr
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 can change the code length by
Hadamard
- 一段对已知像素的正方形图像进行Hadamard变换的原代码,可设置变换阶数等参数。-For some of the known image pixel square Hadamard transform the original code, you can set parameters such as changing the order.
GeoTrans
- 图像的正交变换,傅立叶变换,离散余弦变换,沃尔什变换,哈达玛变换-Images of the orthogonal transformation, Fourier transform, discrete cosine transform, Walsh transform, Hadamard transform
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
imaginationorthogonaltransformation
- MATLAB 图像正交变换 正交变换通用算子 傅立叶变换 离散余弦变换 Walsh- Hadamard 变换 Radon 变换 小波变换 -MATLAB image orthogonal transform orthogonal transform generic operator Fourier transform discrete cosine transform Walsh-Hadamard transform Radon transform wavelet trans
fwht1d
- The function implement the 1D sequency(Walsh)ordered fast Walsh-Hadamard transform.-The function implement the 1D sequency(Walsh)ordered fast Walsh-Hadamard transform,
matlab
- 压缩文件中包含用小波变换、傅里叶变换、哈达玛变换、离散余弦变换实现图像压缩的源码,和一个绘制图像直方图及均衡化后的图像的直方图的程序。-Zip file contains the wavelet transform, Fourier transform, Hadamard transform, discrete cosine transform image compression source code, and a procedure of drawing image histogram .
Hadamard
- 关于研究一种改进的基于Hadamard域的码书设计算法的进展 一种改进的基于Hadamard域的码书设计算法-Based on an improved Hadamard domain of codebook design algorithm
hadamard
- sequency,dyadic或者佩利排序哈达玛转换数字图像处理matlab源程序-sequency, dyadic or Paley Sort Hadamard the conversion digital image processing matlab source
Fast-Walsh-Hadamard-Transform
- Fast Walsh-Hadamard Transform
115157706Walsh---Hadamard-transform
- 图像的沃尔什-哈达玛变换,用于变换域的图像分析(The figure of 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 利用现有的离散傅立叶变换、离散余弦变换、Walsh-Had