This is a very great freeware-plugin for photoshop. You can eliminate any form of regular patterns (e.g. removing the CMYK-raster from a
This plugin is built into ImageJ as the Process/FFT/Bandpass Filter command.
I need a Fast Fourier Transform filter/plug-in to remove repetitive noise across these scanned
Excellent demonstrations of the Fourier transform plug-in, and great results.
The major advantage of this plugin is to be able to work with the transformed image inside GIMP. You can so draw or apply filters in fourier space, and get the modified image with an inverse FFT.
FFT3DFilter uses Fast Fourier Transform method for image processing in frequency domain.
Although PL's de-screen filter can do a remarkable job, there are times when it doesn't -- notably when the pattern to be removed has a diagonal component.
I thought it would be valuable to Mac users to post that there is a free FFT plugin filter for Macs being made available (OSX 10.10.+ on PS CC 2015).