pdftotext
OCRmyPDF
| pdftotext | OCRmyPDF | |
|---|---|---|
| 1 | 77 | |
| 824 | 12,213 | |
| - | 3.9% | |
| 2.7 | 9.5 | |
| 15 days ago | 10 days ago | |
| Python | Python | |
| MIT License | Mozilla Public License 2.0 |
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pdftotext
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Is it possible (and how) to extract highlighted text from a PDF (via API)?
I’ve used https://github.com/jalan/pdftotext for automated pdf text parsing before, but I wasn’t doing anything with highlighting and I’m not sure what the formatting for that looks like or if it would be simple or even present in the output of this library. You could give it a test run on one of your pdfs and see though. Best of luck; pdf text extraction is a nightmare, especially if they don’t all come from the exact same source and generation system, since they’re not really text documents.
OCRmyPDF
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TextSnatcher: Copy text from images, for the Linux Desktop
Try https://github.com/ocrmypdf/OCRmyPDF - it uses Tesseract behind the scenes and it absolutely brilliant.
- FLaNK Stack Weekly 19 Feb 2024
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Calibre – New in Calibre 7.0
I recommend running any such PDFs through OCRmyPDF.
https://github.com/ocrmypdf/OCRmyPDF
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A better document viewer
If by "like a photocopy" you mean the file contains images of text rather than text, the MacOS viewer presumably does OCR on the images. I don't know if there's a Linux document viewer with that capability built-in, but a quick search turned up the standalone tool OCRmyPDF.
- Gibts ein (CLI) tool, das Kontrast und Helligkeit von gescannten Textdokumenten dynamisch anpasst?
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OCR for a full pdf on Neoreader
For anyone interested I solved the problem by first ocr files through the free and open source software ocrmypdf avaible here
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ELI5: why is PDF such a widespread text format, instead of a format that's actually easier to edit?
ocrmypdf is nice for stuff like that.
- Donut: OCR-Free Document Understanding Transformer
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massive crop and OCR newspaper
Use imagemagick to convert them to PDF and ocrmypdf to straighten and OCR. See this explanation.
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OCR pdf and just keep the OCR text
Fair enough, maybe this might work for you, it should seperate the text from image anyway and if you have Adobe acrobat it should be able delete the background too with the edit function. It may already be able to do that if you haven't tried it
What are some alternatives?
PyPDF2 - A pure-python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files
PaddleOCR - Awesome multilingual OCR toolkits based on PaddlePaddle (practical ultra lightweight OCR system, support 80+ languages recognition, provide data annotation and synthesis tools, support training and deployment among server, mobile, embedded and IoT devices)
pdfplumber - Plumb a PDF for detailed information about each char, rectangle, line, et cetera — and easily extract text and tables.
tesserocr - A Python wrapper for the tesseract-ocr API
Paperless-ng - A supercharged version of paperless: scan, index and archive all your physical documents
invoice2data - Extract structured data from PDF invoices
pdfminer.six - Community maintained fork of pdfminer - we fathom PDF
EasyOCR - Ready-to-use OCR with 80+ supported languages and all popular writing scripts including Latin, Chinese, Arabic, Devanagari, Cyrillic and etc.
flameshot - Powerful yet simple to use screenshot software :desktop_computer: :camera_flash:
macOCR - Get any text on your screen into your clipboard.
Mayan EDMS - Free Open Source Document Management System (mirror, no pull request or issues)
pyHanko - pyHanko: sign and stamp PDF files