Learning OCRmyPDF

Notes during the learning of OCRmyPDF, a Tesseract based Optical Character Recognition(OCR) software

License

Unless otherwise specified, content in this work is release under the Creative Commons BY-SA 4.0+ license. Most source materials are distributed under the Fair Use principle.

References

• OCRmyPDF documentation

Multi-page recognition, with language presplit

$ ocrmypdf \
    --title 'UNFAIR TRADE PRACTICES AND SAFEGUARD ACTIONS' \
    --author '蔡英文(Ing-wen, Tsai)' \
    --language eng \
    --deskew \
    --clean \
    --skip-text \
    --pages 1,3-416 \
    --verbose 1 \
    'UNFAIR TRADE PRACTICES AND SAFEGUARD ACTIONS.decrypted.pdf' \
    'UNFAIR TRADE PRACTICES AND SAFEGUARD ACTIONS.decrypted.ocr.HanT_eng.tessdata_fast.pdf'

$ ocrmypdf \
    --title 'UNFAIR TRADE PRACTICES AND SAFEGUARD ACTIONS' \
    --author '蔡英文(Ing-wen, Tsai)' \
    --language eng \
    --deskew \
    --clean \
    --skip-text \
    --pages 2 \
    --verbose 1 \
    'UNFAIR TRADE PRACTICES AND SAFEGUARD ACTIONS.decrypted.pdf' \
    'UNFAIR TRADE PRACTICES AND SAFEGUARD ACTIONS.decrypted.ocr.HanT_eng.tessdata_fast.pdf'