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azq
- 从信号处理的角度，通过对一维信号的离散傅里叶变换频谱图特性进行研究，进而推广到二维，daolr-signal processing from the point of view of one-dimensional signals in the discrete Fourier transform spectrum characteristics, thus the promotion of two-dimensional, and daolr
dft2.zip
- 对二维图像进行离散傅里叶变换，分别给出了直流分量移动到频谱中心前后的频谱图样。,Two-dimensional images of the discrete Fourier transform, respectively, given the spectrum to move to the DC component of the spectrum before and after the design center.
two_dimensional_PSD
- 二维功率谱密度计算程序 使用傅里叶变换 -2D PSD caculation estimator
HowToUseFFT2
- 在滤波和信号处理中，利用matlab功能实现二维快速傅里叶变换-In filtering and signal processing using matlab function realization of two-dimensional fast Fourier transform
Demo
- 对一些比较不错的好的图像进行处理。进行二维快速傅里叶变换。-Quite good for some good images for processing. Two-dimensional fast Fourier transform.
erwei
- 二维傅里叶变换进行雷达信号处理，获取距离-速度二维频谱。-Two-dimensional Fourier transform for radar signal processing, the distance- speed, two-dimensional spectrum.
simpleCUFFT
- 该源码主要是实现对图像的二维傅里叶变换，可以显示器频谱图，以及傅里叶逆变换，然后显示原图-The main source of the realization of two-dimensional Fu Liye transformation of the image, can display the spectrum, and Fu Liye transform, and then displays the original
OCTMAG
- 读取dat数据 经过傅里叶变换显示二维图像 然后进行三维显示 显示结果可以保存为avi格式 使用中安装了fftw vtk 以及opencv-Showing results can be saved as avi format to use to install fftw VTK and opencv read the dat data after Fourier transform two-dimensional image is displayed and three-dimensional
fuliye
- 对二维数字图像用傅里叶变换进行处理，改善图像的质量，观察图像的频谱和相位-Two-dimensional digital image of the Fourier transform processing to improve the quality of the image, the observation image and the phase spectrum
fengzhusousuo
- 分数阶傅里叶变换的二维峰值搜索，针对线性调频信号的峰值能进行很好估计-D peak search Fractional Fourier transform for the peak chirp signal can be well estimated
RD
- SAR 距离多普勒成像算法, 包含定标和自带二维傅里叶变换函数-rang-Doppler algorithm for synthetic aperture radar imaging
transform
- 快速傅里叶变换函数，对一维信号信息和二维图像信息进行快速傅里叶变换-Fast Fourier transform function, one-dimensional and two-dimensional image information signal information fast Fourier transform
taoqeng_v18
- 包含特征值与特征向量的提取、训练样本以及最后的识别，计算时间和二维直方图,分数阶傅里叶变换计算方面。- Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, Computing time and two-dimensional histogram, Fractional Fourier transform computing.
FFT2
- 用于灰度BMP图像的二维傅里叶变换，能够获取图像的频谱图-Corrosion calculation for grayscale images
matlab+c
- 二维图像的投影和图像重建，直接傅里叶反变换法，先反投影后滤波，先滤波后反投影，卷积反投影(Two dimensional image projection and image reconstruction, direct Fourier inverse method, first backprojection, after filtering, first filter, back projection, convolution back projection)
ct图像重建程序
- 图像处理，CT技术，图像的重建通过一维投影复原二维图像由Matlab实现(Image processing, CT technology, image reconstruction by one-dimensional projection restoration of two-dimensional images by Matlab)
二维快速傅立叶变换
- 本文档介绍了快速傅里叶变换的技术，并给出了C++语言中用于计算图像数据的二维FFT的源代码。(This document introduces the techniques of fast Fourier transform and gives a source code in C for computing 2D FFT on image data.)
新建 Microsoft Word 文档
- opencv实现傅里叶变换,傅立叶变换是把图像从空间域转化到频率域的变换。空间域：一般的情况下，空间域的图像是f（x，y）=灰度级（0-255），形象一点就是一个二维矩阵，每个坐标对应一个颜色值。频率域：频率：对于图像来说可以指图像颜色值的梯度，即灰度级的变化速度，幅度：可以简单的理解为是频率的权，即该频率所占的比例：能量=幅度（可能不太准确），变换结果为F（u，v），F代表幅度值，u代表x方向的频率，v代表y方向的频率(Fu Liye transform is the transformati
2fft
- fortran语言写的二维傅里叶变换程序(Two dimensional Fourier transform program written in FORTRAN language)
图像傅里叶变换
- 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。在Matlab中，函数fft2表示二维傅立叶变换，函数ifft2则表示二维傅立叶反变换。(The Fourier transform of the image)