搜索资源列表
FFT1D
- 图象FFT——1D变换,快速变换针对2D图象-FFT image -- Transform 1D, 2D against rapidly changing images
FFT2Dsource
- 二维FFT(快速傅立叶变换)变换源代码,可编译通过并能正常运行.-2D FFT (Fast Fourier Transform) transform source code, compile and can operate normally.
DCT2-lele
- 利用蝶形算法类似于FFT,利用先行再列实现二维DCT。速度很快。包含反DCT的代码。-similar to the use of butterfly FFT algorithm, the first re-use of 2D DCT out. Very fast. Contain anti - DCT code.
fft.rar
- implement 1D and 2D FFT and Inverse 2D FFT ,obtain the power spectrum from a set of FFT coefficients and achieve the Butterworth Lowpass Filter,implement 1D and 2D FFT and Inverse 2D FFT ,obtain the power spectrum from a set of FFT coefficients and a
image-processing---fft
- 2D图像处理的快速傅里叶变换,输入输出接口便捷-2D image processing, fast Fourier transform, and convenient input and output interfaces
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
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
efficient_registration
- 利用傅里叶变换,在频域上对两幅图像配准,是一种比较配准的新方法,但是对弹性配准的效果不是很好 需要进一步的研究。-Registers two images (2-D rigid translation) within a fraction of a pixel specified by the user. Instead of computing a zero-padded FFT (fast Fourier transform), this code uses selective upsamp
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
fftbasedconvolution
- - conv2fft.m ---> M-file for 2D FFT-based convolution - convfft.m ---> M-file for 1D FFT-based convolution-- conv2fft.m ---> M-file for 2D FFT-based convolution - convfft.m ---> M-file for 1D FFT-based convolution
fft_2D_picture
- 二维图像处理的fft变换,二维fft,youknow -you will love it!it is very useful .that is right .you know
ImageFFT
- 包括了大规模矩阵转置 2D-FFT运算 生成FFT排序表 生成FFT数据文件-Includes a large-scale matrix transpose operation generated 2D-FFT FFT FFT sort table data file generated
2DFFT-C
- 2d FFT 图象处理,不含界面,公有算法实现-The 2D FFT
fft
- VC++写的傅里叶变换,1D和2D的都有。-1DFFT 2DFFT
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
2D-fft-ifft_example.zip
- 这个是我从TI上下载的例程,用fft来分析图片的,请大家参考
2d-fft
- 对yuv图片求fft和ifft变换,文件里包含测试图片,yuvviewer,以及测试图片的fft变换和ifft反变换的图片做完参考-fft and ifft transform of yuv pictures
fft-code
- FFT算法实现,从txt文件中导入数据进行FFT,并且把需要的频谱图叠加画出二维三维图-FFT algorithm, import data txt file FFT is performed, and the required spectrum superposition shown in Fig. 2D and 3D
fftw-3.3.3-dll32
- FFTW源码,CPU计算1D、2D、3D快速傅里叶变换(FFT)(Souce code of FFTW, to calculate 1D-FFT, 2D-FFT and 3D-FFT)
fft
- 对数字图像进行傅里叶变换,查看其频谱图及相位图。(Fourier transform of digital images, to see its spectrum and phase diagram.)