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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
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Fast 2D Walsh-Hadamard Transform二维快速walsh变换的码头喇叭源程序
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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
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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
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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
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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
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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
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musicdsp source code archive-Analysis
Beat Detector Class
Coefficients for Daubechies wavelets 1-38
DFT
Envelope detector
Envelope Detector class (C++)
Envelope follower with different attack and release
Fast in-place Walsh-Hadamard Tra
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该函数用来对图像进行快速沃尔什-哈达玛变换。-This function is used to image fast Walsh- Hadamard transform.
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The function implement the 1D sequency(Walsh)ordered fast Walsh-Hadamard transform.-The function implement the 1D sequency(Walsh)ordered fast Walsh-Hadamard transform,
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该代码利用VC++实现了快速傅立叶变换,快速傅立叶反变换,离散余弦变换,沃尔什-哈达玛变换。-The code to use VC++ Realize the fast Fourier transform, fast Fourier transform, discrete cosine transform, Walsh- Hadamard Transform.
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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
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Fast Walsh-Hadamard Transform
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This Matlab Code models a Rayleigh fading channel using a modified Jakes channel model.
A modified Jakes model chooses slightly different spacings for the scatterers and scales their waveforms using Walsh–Hadamard sequences to ensure zero cross-co
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代码来自《精通Visual C++图像处理编程(第3版)》附盘,笔者作了一点代码补充和修改,移植到 win10 - vs2015 平台,编译运行成功。 图像处理主要功能:平滑(&F),锐化,边缘增强,边缘检测,中值滤波去噪,浮雕,油画,快速傅立叶变换,余弦变换,沃尔什-哈达玛变换,腐蚀,膨胀,开运算,闭运算,边缘提取,细化等。(Code from the "proficient in Visual C++ image processing programming (Third
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可对256灰度图像实现快速沃尔什-哈达玛变换(The 256 gray image fast Walsh Hadamard Transform)
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