I have old topographic maps that I have scanned and converted into PDF in Acrobat XI 11. I need this PDF to be text-searchable (not mere image). To do this I tried text recognition in Acrobat but it fails, maybe this map is so cluttered so it fails.
I think both manual and automatic OCR may be the solution i.e. first OCR and correct or edit this OCR. Sample of map is attached
I need to generate text-searchable pdf, and asking for help on the correct workflow.