搜索资源列表
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
image
- 在VC环境下实现图像的打点显示,反色,及快速傅里叶变换,还可以通过去两个点之间的矩形进行截图显示,与截图处理变换后的显示-The VC environment image RBI anti-color, and fast Fourier transform, can also go a rectangle between two points screenshots show screenshots processing transformed display
fft
- 快速傅里叶变换源码。包括一维和二维快速傅里叶变换和反变换,以及复数运算。-FFT source code
Untitled
- 这是一个数字滤波的程序,经傅里叶变换在频率域进行滤波,然后进行反变换-This is a digital filtering process, filter in the frequency domain by Fourier transform and inverse transform
signal-analysis
- 傅里叶变换和反变换用于信号分析,并附有信号处理结果-fourier transform applied in signal analysis
FFT_IFFT
- 一个FFT类以及一个复数类,实现了快速傅里叶变换及其反变换(FFT和IFFT)以及复数的运算。综合考虑各细节使碟形算法达到最高的效率。-An FFT class as well as a complex and realizes the fast Fourier transform and its inverse transform (FFT and IFFT) and a plurality of computing. Considering all details of the dish a
fft
- 基于蝶形运算的傅里叶变换与反变换,进行2的N次方点的变换-Butterfly operation on the Fourier transform and inverse transform for the N-th power of 2 transformation point
FFT2
- 使用c语言实现快速傅里叶变换,方法简单使用,包括反变换-Use c language fast Fourier transform
fft2
- 对图像进行傅里叶变化与反变换、模糊图像处理、二维小波分解与重构、直方图均衡处理等等很多小程序。很实用-The image Fourier transform and inverse transform, fuzzy image processing, two-dimensional wavelet decomposition and reconstruction, histogram equalization, and so many small programs. Very practical
MyImage
- 自己编写的对图像进行傅里叶变换和反变换,余弦变换和反变换的图像处理程序,可供大家学习参考-I have written on the image Fourier transform and inverse transform, cosine transform and inverse transform image processing program, you can learn reference
FFT_IFFT
- 该程序是基于c语言的快速傅里叶变换程序,也可以计算反傅里叶变换-The program is based on the fast Fourier transform c language program can also calculate the inverse Fourier transform
image_fft
- 使用matlab画圆,对图傅里叶变化,零频移中,反变换实验-test fft and ifft
ImgFoundation
- 数字图像处理的各种基本功能 旋转 平移 缩放 反相 傅里叶变换 拼接等-provide the basic functions of image progressing such as rotate transfer and fft tranformations and so on
Digital-Image-Processin
- 可以进行离散余弦傅里叶变换,反变换,高通滤波,低通滤波等。数字图像处理-Can be discrete cosine Fourier transform, inverse transform, high pass filter, low-pass filtering. Digital Image Processing
fft
- 对图像进行傅里叶变换,及反变换,实现从时域到频域的转换-Fourier transform of the image, and inverse transform, from the time domain to the frequency domain
FFT_highpass
- 傅里叶变换 再用高通滤波器过滤得到反变换后的图像与原来图像对比 -FFT highpass
Digital-Image-Processing
- 数字图像处理,包括反白、去红、锐化、平滑、傅里叶变换等。-Digital Image Processing,include inverse,get rid of red,etc.
frft
- 实现分数傅里叶变换及其反变换,并在音频中嵌入和提取水印-audio watermarking by fractal fourier transform
program
- 数字图像处理程序/车牌识别系统 傅里叶变换(图像锐化、平滑、反色、反转) 图像增强(线性变换、模糊) 图像恢复 图像分析(二值化,灰度直方图) 车牌(定位、匹配、分割。。。。)-Digital image processing program license plate recognition system, including Fourier transform (image sharpening, smoothing, anti-color, reverse) ima
FourieraDiscrete-Cosine-transform
- 这是基于VC++的MFC实现对图像的傅里叶变换和反变换,以及离散余弦变换和反变换。-This is based on the MFC to achieve the image VC++ Fourier transform and inverse transform, and the discrete cosine transform and inverse transform.