清空筛选条件
清空筛选条件

Calculating Fourier transform of an image without using fft2 function in matlab.

1 次查看（过去 30 天）
Algorithms Analyst
Algorithms Analyst 2012-10-5
Hi every one
I just need the help how to compute the image fourier transformation withourt using the direct fft and ifft functions in matlab?

请先登录，再回答此问题。

回答（1 个）

Matt J
Matt J 2012-10-5
Hint: You can create a 1D fft matrix as follows
E=exp(-1i*2*pi/N* bsxfun(@times,(0:N-1).',0:N-1));
  4 个评论
显示 2更早的评论
Algorithms Analyst
Algorithms Analyst 2012-10-6
I am trying but not approaching my target.....can you please define the function in matlab code without using fft2.that how to write code for f(x,y) including smmation from N=0to N_1

请先登录，再进行评论。

类别

在 Help Center 和 File Exchange 中查找有关 Fourier Analysis and Filtering 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by