how to remove 2d fourier transform image noise

61 次查看（过去 30 天）
Jiajun Cheng
Jiajun Cheng 2021-3-24
回答： KALYAN ACHARJYA 2021-3-25
i am trying to use fft to improve photo. However, after i got my transformed image there are huge amount of noise dots(red mark), how can i remove them and improve my photo? can someone help based on my code.

请先登录，再回答此问题。

回答（1 个）

KALYAN ACHARJYA
KALYAN ACHARJYA 2021-3-25
Decide the cutt off frequency, apply filter and do the inverse
More Detail:
https://www.clear.rice.edu/elec301/Projects01/image_filt/matlab.html

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