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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
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
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
4
- 8或24位图像的变换域处理及应用。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 or 24-bit image processing and application of transform domain. One-dimensional two-dimensional Fourier transform, two-dimensional discrete cosine, frequency high pass, low pass filtering
fft_ok
- 求bmp格式的图像的二维傅里叶变换并绘出其频谱图!-Bmp format, seeking two-dimensional Fourier transform of image and draw the frequency spectrum!
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
errwei
- 图像的变换(二维傅里叶变换,余弦变换等)-Transformations on the image (two-dimensional Fourier transform, cosine transform, etc.)
fourier2
- 自己编写的二维傅里叶变换的源代码,并在变换后显示频谱。-Two-dimensional Fourier transform of the source code I have written, and displayed in the transformed spectrum.
IPLib
- 二维傅里叶变换和反变换,低通滤波器的实现和影像条带的去除-2 dimension fourier transfer and anti-transfer ,low-pass filter and wipe off the stripe of image
explam-fft
- 二维傅里叶变换相位提取的matlab模拟程序。-Two-dimensional Fourier transform phase extraction matlab simulation program.
fuliye
- 傅里叶变换,包含了一维快速傅里叶变换及二维傅里叶变换-Fourier transform, contains a one-dimensional fast Fourier transform and two-dimensional Fourier transform
(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)
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