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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
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
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
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
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.
frft2
- 二维离散分数阶傅里叶变换程序,可以用做图像处理,绝对可用-Two-dimensional discrete fractional Fourier transform program, you can use to do image processing, absolutely free
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
2D-Fourier-Transform
- 基于matlab的数字图像的二维傅立叶变换(FFT)以及二维离散余弦DCT变换,提供里详细代码,.m文件-Matlab-based digital image two-dimensional Fourier transform (FFT) and two-dimensional discrete cosine transform DCT offers in detailed code,. M file
frft2
- 二维离散分数阶傅里叶变换程序,可以用做图像处理,绝对可用-Two-dimensional discrete fractional Fourier transform program, you can use to do image processing, absolutely free
MATLAB
- matlab开发环境,.编程实现二维DFT的变换,并与标准函数结果fft2进行比较,基本傅里叶、离散余弦变换,空域(完成两个程序) 增强噪声后再进行处理,利用标准函数,求图像阈值分割、边缘检测的基本使用(lena256.bmp,方法:graythresh、edge),求分水岭,利用标准函数dwt2、idwt2分解图像man_pic.jpg,基本 BP-BPbase1 -matlab development environment. Programming dimensional DFT
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
ImageTest05
- 利用C#进行图像处理,实现图像处理中的频率变换,包括二维离散会傅里叶变换,FFT,频率成分滤波,频率方位滤波.-image process based on C#
(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