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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
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
Transform
- 图像正交变换的实现，包括一维离散傅里叶变换，二维离散傅里叶变换，离散余弦变换
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.
matlab-5
- 1了解图像变换的意义和手段； 2熟悉离散傅里叶变换、离散余弦变换、离散小波变换的基本性质； 3熟练掌握图像变换的方法及应用； 4通过实验了解二维频谱的分布特点； 5通过本实验掌握利用MATLAB编程实现数字图像的变换。 -An understanding of the meaning and image transformation means 2 familiar with the discrete Fourier transform, discrete cosine t
Fourier
- 以上是一维二维傅里叶正变换及其源代码，包括余弦离散傅里叶变换-The above is a one-dimensional two-dimensional Fourier transform and its source code, including the cosine discrete 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
FFT
- 实现了matlab的二维离散傅里叶变换. -Achieve two-dimensional discrete Fourier transform matlab.
myfft2
- 自编二维离散傅里叶变换，仅限于二维变换，为什么一定要20个字-Two-dimensional discrete Fourier transform self
frequency
- 频率变换 二维离散傅里叶变换 幅度图像和相位图像 频率方位滤波-Frequency transform two-dimensional discrete Fourier transform amplitude image and phase image frequency direction filter
fuliyebianhuan
- 对选择的图像进行二维离散傅里叶变换，注意频谱中心的处理，以对数方式观察离散傅里叶变换频谱。-Two-dimensional image of the selected discrete Fourier transform, spectral center of attention to the treatment of several ways to observe the discrete Fourier transform spectrum.
Relize_Fourier_Transform
- 用来实现二维离散傅里叶变换的简单实用程序，在matlab中能快速得到理想结果-To realise 2-D Discrete wavelets transform，easily and effective to reach the ideal result we want！
DFT-and-DCT-transformations
- 二维离散傅里叶变换和离散余弦变换同属于图像的二维正交变换，它们在图像处理中有 着极为重要的应用价值。利用这些正交变换可以获得图像的频域信息，从而实现图像的增强、复原、编码和描述。本文将描述对图像进行DFT 和DCT 变换的过程。在进行DFT 变换后，还会将图像的幅频、相频特性进行置换操作后反变换，并探讨其中的规律；而在DCT 变换后，还将探讨如何选取DCT 系数点以实现图像的复原。请先阅读压缩包内的pdf文档。-This code implements the DFT and DCT tra
CS--design-MATLAB
- 基于MATLAB的图像压缩感知毕业设计说明书。运用matlab软件，在离散傅里叶变换（DFT）和离散余弦变换（DCT）分块CS的基础上，采用正交匹配追踪算法（OMP）实现了对一维信号和二维图像的高概率重构。将重构结果与原始信号对比，结果表明，只要采样数M（远小于奈奎斯特定理所需要的采样率）能够包含图像所需要的有用信息时，CS算法就能精确的完成对图像的重构，并且重构效果也比较好-Compressed sensing image graduation design specification bas
MatLab
- MATLAB源代码大全，包括二维连续傅里叶变换，离散余弦变换，Radon变换实现的源代码-MATLAB source code complete, including two-dimensional continuous Fourier transform, discrete cosine transform, Radon transform source code
二维离散傅里叶变换
- 不调用matlab自带函数实现二维离散傅里叶变换(Do not call matlab own functions to achieve two-dimensional discrete 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)
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
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