OCRmyPDF provides page correction and optimization functions, which can be achieved with the following commands:
- Automatic correction of page skew:
ocrmypdf --deskew input.pdf output.pdf
- Automatically rotate pages:
ocrmypdf --rotate-pages input.pdf output.pdf
transferring entity--rotate-pages-threshold
Sets the rotation threshold. - Generate PDF/A format to optimize long-term archiving:
ocrmypdf --output-type pdfa input.pdf output.pdf
- Optimize PDF file size:
utilization--optimize 1
Or install the JBIG2 encoder to further compress the file size.
These features can significantly improve the readability and archival quality of scanned documents.
This answer comes from the articleOCRmyPDF: scanned PDF into searchable text of the open source toolThe