Old postcard scan

[Claes]

Ciao @ggc,

Search for Gimp remove raster
and gimp fft

picture printed on textured paper... how to remove pattern

I have a scanned-in picture, that I think was originally printed on paper that had a texture. I suppose it was okay as a print, but it makes it hard to GIMP it. Is there a way to smooth out the pattern? Here is a sample at 200% zoom. [Screenshot 2022-07-31 115630]

Raster Removal - Graphics

Cord. Sal.,
Claes a Lund, Svezia