[Feature Request] FFT denoise

[afre (Alan)]

Asking the right questions . See: Cleaning of scanned photo overlaid with pattern for more inspiration. There may be other threads.

It has also been discussed in the ImageMagick:

• docs http://www.imagemagick.org/Usage/fourier/#noise_removal
• and forums http://www.imagemagick.org/discourse-server/viewforum.php?f=1

Also, have you tried all of the existing filters? There are already some that use FFT which may fulfill your needs. Search:

• https://raw.githubusercontent.com/dtschump/gmic/master/src/gmic_stdlib.gmic
• gmic-community/include at master · dtschump/gmic-community · GitHub