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bianhuanyu
- 8/24位图像的变换域处理及应用。内有正交变换、一维二维傅里叶变换、二维离散余弦、频域高通、低通滤波等。-8 / 24 images transform domain processing and application. There orthogonal transformation, a two-dimensional Fourier transform two-dimensional discrete cosine, frequency-domain high-pass, low-pass
FFTDLL.rar
- 本源码可以完成二维傅里叶变换，把图像从时域变换到频域，很好用,this source code can finish fast fourier transformation, which can transform image from time space to frequency, it is very good
DFT
- 以上是傅里叶变化程序源代码，包括一维二维傅里叶变换-These are the Fourier transform of the source code, including a one-dimensional two-dimensional Fourier transform
matlabFourertransform
- MATLAB实现图像的傅里叶变换，包括一维傅里叶变换，二维傅里叶变换-MATLAB Fourier transform of image, including the one-dimensional Fourier transform, two-dimensional Fourier transform
2D-FFT-C
- 二维快速傅里叶变换及其逆变换，用于图像处理等领域-two dimensional fast fourier transform and its inverse fast fourier transform
DFT2D
- 采用OPENCV封装的图像二维DFT运算，通过该类可生成图像二维傅里叶变换矩阵，通过可选参数可调整生成傅里叶矩阵、傅里叶频谱同时可选择对数加强属性增强傅里叶频谱的显示效果。-OPENCV package using two-dimensional DFT computation of image, the image can be generated through such two-dimensional Fourier transform matrix generated by the op
Transform
- 二维傅里叶变换、离散余弦变换和小波变换的Matlab实现.-Two-dimensional Fourier transform, discrete cosine transform and wavelet transform of the Matlab implementation.
Fuliye1
- 读入.pgm格式的灰度图文件，进行二维离散傅里叶变换并且显示-Read. Pgm format, grayscale documents, conducting two-dimensional discrete Fourier transform and show
restore
- 图像增强的目标是改进图片的质量，例如增加对比度，去掉模糊和噪声，修正几何畸变等；图像复原是在假定已知模糊或噪声的模型时，试图估计原图像的一种技术。 图像增强按所用方法可分成频率域法和空间域法。前者把图像看成一种二维信号，对其进行基于二维傅里叶变换的信号增强。采用低通滤波（即只让低频信号通过）法，可去掉图中的噪声；采用高通滤波法，则可增强边缘等高频信号，使模糊的图片变得清晰。具有代表性的空间域算法有局部求平均值法和中值滤波（取局部邻域中的中间像素值）法等，它们可用于去除或减弱噪声。 -A
fft_2D_picture
- 二维图像处理的fft变换，二维fft，youknow -you will love it!it is very useful .that is right .you know
FFT
- 本程序实验室快速傅里叶变换的一维，二维，及其逆变换-This procedure laboratory one-dimensional fast Fourier transform, two-dimensional, and its inverse transform
高斯二维快速傅里叶变换
- 可以对高斯二维64*64函数进行二维快速傅里叶变换，输出的结果在“结果”txt文档中-Two-dimensional fast Fourier transform of the Gaussian two-dimensional 64* 64 function
(精心整理)图像的傅里叶变换
- 图形处理傅里叶变换教程ppt，内有二维离散型傅里叶变换的公式，以及关于图像处理的概念(Graphics processing fourier transform tutorial ppt, there are two-dimensional discrete fourier transform formula, as well as on the concept of image processin)
CT二维图像重建程序
- CT二维图像重建的两种方法代码。傅里叶转换法和滤波反投影法。(CT two-dimensional image reconstruction of the two methods of code. Fu Liye transform method and filtered back projection method.)
数字图像傅立叶变换
- 数字图像快速傅里叶变换（FFT）。将图像转化成二维灰度图像后再做FFT变换，并输出变换后的幅值图。(Digital image fast Fourier transform (FFT).The image is transformed into a two-dimensional gray level image and then the FFT transformation is made, and the amplitude diagram is output after the trans
分数阶盲水印傅里叶变换--已实现
- 二维分数阶傅里叶变换，数字水印，盲水印，可能是我的参数没有调整好，可以提取出水印，但是效果不太好，但完全可以正常运行，如果哪个大神修正了，也请联系我(Two dimensional fractional Fourier transform, digital watermark, blind watermark, may be my parameters do not adjust well, can extract the watermark, but the effect is not ver
matlab傅里叶变化性质验证
- 二维傅立叶变换的Matlab实现，是利用图像处理软件对给 出的图像进行傅立叶变换处理。 自行设计一幅图像，验证离散傅立叶变换的性质，如： 频谱图中高频分量迅速衰减，可分离性，平移，周期性与共 轭对称性，旋转、线性和比例性，平均值。(The Matlab implementation of two-dimensional Fu Liye transform is based on image processing software. The image is processed by Fu
angular_spectrum_analysis
- 代码对2D二维傅里叶过程进行了描述；有助于傅里叶光学领域的基础概念的理解；对二维傅里叶变化过程中的matlab代码进行了简要介绍，有助于初学者理解(The code describes the 2D two-dimensional Fourier process, helps to understand the basic concepts of Fourier optics, and briefly introduces the matlab code in the process of tw
图像正交变换
- 在MATLAB环境中，进行图像的离散傅里叶变换和离散余弦变换 在MATLAB环境中，进行图像的离散小波变换，观察子带对重建图像的影响，理解小波变换的多分辨率特性(In the MATLAB environment, the image of the discrete wavelet transform, observe the sub-band on the reconstruction of the image, understand the multi-resolution characte
matlabcode
- 图像傅里叶变换，图像的快速傅里叶变换，逆变换，图像的二维FFT变换可以观察图像的频谱，再进行逆变换即可复原图像(Image Fourier transform)