搜索资源列表
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0下载：
数字图像矩阵数据的显示及其傅立叶变换
MATLAB-digital image data matrix display and Fourier Transform MATLAB
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用matlab语言实现傅里叶切片定理，以及基于反投影及滤波反投影的CT图像重建的程序设计试验-Matlab language with Fourier slice theorem, and on the back projection and filtered back projection image reconstruction program design CT test
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二维傅里叶变换,对图像进行二维傅里叶变换处理-Two-Dimensional Fast Fourier Transform
The purpose of this project is to develop a 2-D FFT program "package" that will be used
in several other projects that follow. Your implementation must have the capabilitie
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实现图像的DCT高通、低通滤波器并与傅里叶变换做比较.有图可见，经DCT低通滤波后，图像变得很模糊。因为DCT是FFT取其实部，能量减少，因此图像变得很模糊，没有经FFT滤波后的效果好。
经DCT高通滤波后的图像：
经DCT高通滤波后，图像的低频部分被滤除掉，图像变黑，只有边缘的痕迹可见。-The DCT of image high-pass, low pass filter and compared with the Fourier transform.
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基于分数傅里叶变换的彩色图像加密算法，主要用于数字图像的加密中。-Based on the fractional Fourier transform for color image encryption algorithm, mainly used in digital image encryption.
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是基于傅里叶变换的数字图像水印的matlab源代码-Is based on the Fourier transform of digital image watermarking matlab source code
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一个简单的傅立叶带亮度描绘子提取图像的形状特征程序-A simple Fourier descr iptor with the brightness of the image shape feature extraction procedures
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The frequency domain plays an important role in image
processing to smooth, enhance, and detect edges of images. Although
image data typically does not include imaginary values, the fast Fourier
transform (FFT) has been used for obtaining spect
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题目：离散富立叶变换（DFT）和频谱分析.matlab实现 1信号函数h(t)= e-a*t*tsin(2πft)2编程计算的离散富立叶变换（DFT）和IDFT图像。3计算振幅谱，相位谱以及检测信号主频-Title: Discrete Fourier Transform (DFT) and spectral analysis. Matlab function to achieve a signal h (t) = ea* t* tsin (2πft) 2 programming computin
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P0301：数字图像矩阵数据的显示及其傅立叶变换
P0302：二维离散余弦变换的图像压缩
P0303：采用灰度变换的方法增强图像的对比度
P0304：直方图均匀化
P0305：模拟图像受高斯白噪声和椒盐噪声的影响
P0306：采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波
P0307：采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波
P0308：图像的自适应魏纳滤波
P0309：运
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Image enhancement in frequency domain using Fourier center frequency, Gaussian lowpass filter, Low pass filter, high pass filter. Image restoration using medean filter, weiner filter with noise generator such as Gaussian noise, Salt and Pepper noise
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图像压缩去噪增强锐化程序，供大家参考。 包括：数字图像矩阵数据的显示及其傅立叶变换 二维离散余弦变换的图像压缩 采用灰度变换的方法增强图像的对比度 采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 图像的自适应魏纳滤波 运用5种不同的梯度增强法进行图像锐化 图像的高通滤波和掩模处理 利用巴特沃斯（Butterworth）低通滤波器对受噪声干扰的图像进行平滑处理 利用巴特沃斯（Butterworth）高通滤波器对图
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用MATLAB实现数字图像的傅里叶变换，显示图像频谱-Digital images using MATLAB Fourier transform, display the image spectrum
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Demonstrates image reconstruction from Fourier components
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P0301：数字图像矩阵数据的显示及其傅立叶变换
P0302：二维离散余弦变换的图像压缩-P0301: digital image matrix data display and its Fourier transform P0302: Two-dimensional discrete cosine transform image compression. . .
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这是一个matlab图像变换程序包，包括傅里叶变换、离散余弦变换、Radon变换等-This is an image transform matlab package, including Fourier transform, discrete cosine transform, Radon transform
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关于图像滤波的一个实例应用，教会你如何通过傅里叶变换滤除单频噪声-An example of image filtering applications, teach you how to filter out single-frequency noise in Fourier transform
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图像的二维傅里叶变换，matlab编程，很好用。-Two-dimensional Fourier transform image, matlab programming
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MATLAB 实现对图片的傅立叶描述子.边缘检测的结果进行二维到一维的变换-MATLAB implementation of the image Fourier descr iptors. Edge detection results of two-dimensional to one-dimensional transform
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基于MATLAB的图像离散傅立叶变换研究(Research of image discrete Fourier transform based on MATLAB)
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