I restore photographs and would like a way to remove the paper texture from the old finger print resistant prints of the 1970’s. And of course it needs to bring max sharpness to the actual image.
You might post a picture that shows the problem so some ideas can be tried. It may be difficult if the texture is course. If it shows mainly on the background you may be able to select the primary subject and past it on a new background.
Typically you can use an FFT based plug-in to remove this type of pattern, but it takes practice to get it right first time: