>There's no simple answer - you have to d the best you can with what >you've got. Sometimes resizing (image->scale) by a factor of 3 can >help: open image->scale image, append > * 3 >to the width >and press tab, and GIMP will do the multiplication :) Use "cubic" >interpolation. > >Then blur the now-larger image with radius 5. Then scale back down >(again cubic but you could use / 3 instead of * 3 to have GIMP do the >division) and then sharpen (filters->enhanve/>unsharp mask). > >Technically what's going on is that this procedure will give the image >a wider number of pixel values - more greys - especially in 16 or 32 >bit - and reduce some of the effects of jpeg artifacts. <ale sire the >image is in greysvcale/grayscale or RGB mode first, not indexed, or it >won't help.
I lost some detail on the edit, but I got rid of a lot of the noise thanks. Attachments: * https://www.gimpusers.com/system/attachments/1335/original/despeckling.png * https://www.gimpusers.com/system/attachments/1336/original/despeckling-edit.png -- Gimp_Noob (via www.gimpusers.com/forums) _______________________________________________ gimp-user-list mailing list List address: gimp-user-list@gnome.org List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list List archives: https://mail.gnome.org/archives/gimp-user-list
