OCRmyPDF
calibre
OCRmyPDF | calibre | |
---|---|---|
77 | 862 | |
12,067 | 18,384 | |
2.7% | - | |
9.5 | 9.9 | |
12 days ago | 3 days ago | |
Python | Python | |
Mozilla Public License 2.0 | GNU General Public License v3.0 only |
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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
calibre
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Calibre: Unlock the Data in Your Breath
Not to be confused with Calibre, the excellent ebook software by Kovid Goyal:
https://calibre-ebook.com/
- A newbie with two questions
- Kindle 2nd gen
- Send to Kindle
- Questions for “Unsupported” Kindle Users!
- Kindle can't find via USB transferred files?
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Need help editing epub in Sigil
Glad you were able to fix it, but what about trying Calibre? It is free and makes it easy to adjust things, add info, and change front covers.
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Manga on Kindle?
Or using Calibre (pdf or azw3) https://calibre-ebook.com
- kindle won’t show me books
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Ebooks
There are already some very good ebooks solutions out there so there's really no need. Calibre for the backend and database management, Calibre-Web for the front end, and Openbooks for content.
What are some alternatives?
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)
zotero - Zotero is a free, easy-to-use tool to help you collect, organize, annotate, cite, and share your research sources.
pdfplumber - Plumb a PDF for detailed information about each char, rectangle, line, et cetera — and easily extract text and tables.
tachiyomi - Free and open source manga reader for Android.
tesserocr - A Python wrapper for the tesseract-ocr API
Readarr - Book Manager and Automation (Sonarr for Ebooks)
Paperless-ng - A supercharged version of paperless: scan, index and archive all your physical documents
Sigil - Sigil is a multi-platform EPUB ebook editor
invoice2data - Extract structured data from PDF invoices
Kavita - Kavita is a fast, feature rich, cross platform reading server. Built with the goal of being a full solution for all your reading needs. Setup your own server and share your reading collection with your friends and family.
pdfminer.six - Community maintained fork of pdfminer - we fathom PDF
remarkable-hacks - additional functionality via binary patching