I have PDF files which get created from a scanner. The PDFs only contain images.
Up to now you can't to copy+paste of the text if you look at the PDF with acrobatAcrobat or an other PDF viewer.
Needed features:
- OCR: read text from the images
- Annotate the PDF and create a hidden overlay to make text copy and pastable.
- open source preferred, but commercial software recommendations are valid answers, too
- Processing of one page should not last longer then 20 seconds.
- Command-line and/or API. No, no GUI needed
- I only need to support Linux, no other operating system
Optional:
- If there is an API, Python bindings would be nice (optional)
I only need to support Linux, no other operating system. Open source preferred, but commercial software recommendations are valid answers, too.