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CXIMAGE_SRC.ZIP
- Windows下图象处理。可读取/保存常见的多种图象格式,如bmp,jpg,jpeg,png,pcx,tif,tga,gif,wmf,emf,wbmp,可做常规的图象处理,如缩放,裁减,翻转,镜像,旋转,柔化,锐化,亮度,对比度,模糊,伪彩,浮雕,边缘检测,中值滤波,不同图片的颜色通道分离,合并,gamma,fft变换处理等,有多文档窗口的demo程序,demo本身就能算是个功能完善的图象处理工具,能够学到很多图象处理知识。-Windows image processing. Reads / p
Fourier
- 编写一个程序计算并显示一幅二维图象的Fourier变换(幅度和相位谱)及其逆变换,要求用FFT实现-procedures for the preparation of a calculation and display a two-dimensional image of the Fourier transform (amplitude and phase spectrum) and its inverse transform, called for using the FFT
adaptive_anisotropic_2D_gaussian_filter
- Gaussian filtering in one, two or three dimensions is among the most commonly needed tasks in signal and image processing. Finite impulse response filters in the time domain with Gaussian masks are easy to implement in either floating or fixe
dip.rar
- 一个基于matlab的图像处理小例子,有dct压缩还原效果对比及dct和fft的频谱,A small matlab example of image processing, and to restore the effect of compression dct comparison of the fft and dct and spectrum
BMPProcessT
- 一个实现了对BMP图像进行基本图像处理的程序,包括图像几何变化,FFT,和二值化等-A realization of BMP images of the basic image processing procedures, including changes in image geometry, FFT, and so on Binarization
FFT_2D
- 二维情况下实现快速傅立叶变换,利用一维情况下的FFT实现-under 2D of the fast Fourier transform, using a dimension of the FFT
MatlabFFT
- Matlab_基于FFT的图像配准 粗估算两幅图像之间的平移差,返回水平方向平移差到xtran,返回垂直方向平移差到ytran 用在图像配准中的粗匹配中,对噪声、图像中物体发生运动等极为鲁棒!-FFT-based Matlab_ Image Registration rough estimate of the translation between two images, poor, poor translation to return to the horizontal direct
trackinger
- 数字图像处理的一些小作业,包括dct变换,小波变换和fft变换。-Digital image processing of a number of small operations, including the DCT transform, wavelet transform and transform fft.
TwoDimensionalFastFourierTransform
- 本实验要求开发一个2-D FFT程序包,使其可以应用于后续的几个实验。这个程序需要完成的功能是用因子(-1)^(x+y)乘以输入图像以实现滤波的中心变换,并还要求用一个实矩阵乘以一个复数矩阵通过调用两个图像的乘法程序来实现对应元素的相乘,同时计算反傅立叶变换,得到的结果乘以(-1)^(x+y)并取其实部最后计算频谱。实验中用到傅立叶变换的基本公式,通过实验我们可以更加深刻的理解频域滤波的基础。-The experiment calls for the development of a 2-D F
MATLAB_code_of_image_processing
- 该gui函数基本上包括图像处理里面的最基本处理,相当于一个小型photoshop。比如读取文件,几何变换中的垂直镜像,平移,旋转,缩放;正交变换的DFT,FFT,DCT,DST,DHT,DWashT;灰度处理中的反色,直方图均衡,全局线性变换,分段线性变换,指数非线性变换,对数非线性变换;图像增强里面的加噪声,平滑,锐化,伪彩色增强;图像分割里面的灰度阈值法,Robert,Laplace,sobel,prewitt,canny算子边缘检测法;图像恢复里面的直接逆滤波,维纳滤波;图像编码里面的霍夫
FFT
- 这是一个经典的fourier translate 傅里叶变换的程序 计算图像的中心点并标记和傅里叶频谱图的最大能量环并标记-This is a classic Fourier transform fourier translate the program to calculate the center of the image and mark and Fourier frequency spectrum of the maximum energy ring and mark
dftregistration
- Efficient subpixel image registration by crosscorrelation. This code gives the same precision as the FFT upsampled cross correlation in a small fraction of the computation time and with reduced memory requirements
FFT-s
- FFT 快速傅里叶变换和一般的变换 还有图像的锐化都做了处理了的。-FFT fast Fourier transform and change in general there is a sharpening of the image have done a deal with the.
exp1---fft-with-no-rotation
- 基于全局运动的图像配准程序,能够进行具有全局位移关系的图像配准-Based on the global movement of image registration procedures, to carry out a global displacement of the image registration
image-dispose-function-collection
- visualc++进行图像处理的各种小函数的大集合,包括彩色转灰度,灰度转二值,hough变换,Walsh变换,反色,傅里叶变换,亮度增减,取对数,取指数,平移以及旋转-VisualC++ image processing of a variety of small function of the collection, including color to gray, gray to a value of two, Hough transform, Walsh transform, anti-
second-gray-image-statistics-and-FFT
- 采集一幅像素大于64*64黑白图像; 常规的数学统计数据处理:计算图象各象素点灰度值得均值、标准差、方差,并绘出灰度直方图; 采用[FFT(傅立叶变换)]对图像进行分析-Acquisition of a pixel is greater than 64* 64 black and white images The conventional mathematical statistical data processing: calculation of each pixel gray
2Dfft_zengqiang
- 构造一幅黑白二值图像,在128×128的黑色背景中心产生一个4×4的白色方块,利用1DFFT子程序实现2D傅里叶变换.-Construction of a black and white two value image, in a 128 x128black background center generates a 4x 4white box, use 1DFFT to achieve2D subroutine fft
6593089dft
- 采用Matlab自己编写的傅里叶变换,并不是使用软件提供的FFT2-a fft of image
bmpdis-fft
- 图像处理程序vc++代码。有图像的傅里叶变换FFT图像线性旋转、绘制直方图、提取直方图、以及绘制图像、提前数据信息等。-Image handler vc++ code. Linear rotation of the image Fourier transform FFT image, draw a histogram to extract histogram is and draw the image, the data in advance.
image
- 调用自定义函数解决题目: 1.读取自然图像、生成合成图像、高相关图像、高去相关图像,完成压缩 2.得到傅里叶变换后的图像 3.fft中心变换\walsh变换,进行两种变换的对比 4.得到傅里叶变换后的图像和傅里叶变换需要的时间,显示变换后的图像,显示傅里叶变换时间随图像像素的变化 5.显示不同阶数butterworth高通滤波和低通滤波滤波器的传递函数和处理后的图像 6.调用butterworthw.m,显示原图像、原图像频谱、低通滤波、高通滤波的传递函数,以及滤波器处理后的图像 7.拉普拉斯高