02-15-2021, 02:48 PM
(02-15-2021, 07:46 AM)Ofnuts Wrote: There are ways, but you'll avoid yourself a lot of work by taking the picture (or making a scan) again with a more even lighting (don't use the phone'ss flash): take a shot near a window or in a brightly lit room. As it is there are parts of the white that are darker than the blue lines in other places.
That was what I wanted to comment on. The lighting used in this image makes this task not only more difficult but contributes to worse results.
Homogenizing the lighting would be the first step for you to get a better result.