how to remove 2d fourier transform image noise

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Jiajun Cheng
Jiajun Cheng on 24 Mar 2021
Answered: KALYAN ACHARJYA on 25 Mar 2021
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.

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Answers (1)

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

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