OCR

Tesseract

Install

sudo nala install tesseract-ocr

Check the available language packs

apt-cache search tesseract-ocr-

Install greek language pack

sudo nala install tesseract-ocr-ell

List installed language packs

tesseract --list-langs

Usage

tesseract 01.pdf output -l ell

OCRmyPDF

Install

sudo nala install ocrmypdf

Usage

ocrmypdf 01.pdf output.pdf