Questions tagged [ocr]
OCR (Optical character recognition) is the conversion of an image of characters into a machine-readable encoded text. Use this tag to indicate questions involving this type of conversion or software that performs OCR. When possible indicate the software you use, source and target of the conversion.
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What happened to Tesseract's "Math / equation detection module"?
I was able to get Tesseract to run via a Python script on my Windows machine to turn non-searchable PDFs into searchable ones. When downloading Tesseract onto windows, it asked me which languages I ...
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Is there some sort of PDF-to-text converter?
I need PDF files in text so I can search over them in bulk from commandline. Is there some converter for Ubuntu, OBSD or similar distro?
Perhaps related post, OCR with Ubuntu here.
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How can I rasterize all of the text in a PDF?
You know when you have a pdf, which is a scan of a document and it's a really huge file, because it just stores the picture of the scanned document?
And there are OCR tools which can help you to ...
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How to scan with ocr bash script
To streamline the scan process I intend to create a script that scans and applies OCR in one step. However my bash skills are rather poor, so I would be very thankful for a bit of help. Here my ...
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Delete OCR from PDF
I have PDF file containing corrupted OCR. It is a bunch of handwritten pages with a lot of symbols and abbreviations, and I got this file with an automatically generated OCR. How can I remove the ...
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Making badly scanned public domain books legible with OCR
I've obtained soft copies of some very old public domain books.
The illustrations are clear enough, but the text is somewhat blurry.
I've experimented with Tesseract OCR and it can recognize a ...
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OCR high res images & combine OCR data later, after image compression?
I have a large number of .tif's coming out of ScanTailor. Is there a way that I might OCR those .tif's with tesseract, holding the OCR data separate from the images; then compress the images, and ...
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MacOS-like OCR for Linux?
How can one setup the same ubiquitous OCR capabilities on Linux, in a manner similar to how one can copy text from any image in any software on MacOS and iOS?
I am using EndevourOS with Gnome DE.
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OCR software for handwritten equations to get LaTeX file
First of all, I apologize if this is not the right place to ask this, but I couldn't think of anywhere else (maybe Stack Overflow?).
Anyway, I'm looking for a Optical Character Recognition software (...
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Make (`ocrmypdf`) command run in terminal AND include input name in that of the output
I have this line inside a Dolphin service-menu file that contains many other commands for PDF processing:
Exec=bash -c 'f="%u"; ocrmypdf "$f" "${f%.pdf}_ocr.pdf";'
It ...
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Best command-line OCR software for recognizing typed text over colorful background
I need to extract text from images like the one below:
As you can see, the text is typed not handwritten. Moreover, the background is colorful.
I've tried Tesseract OCR, and while it works some of ...
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How do I format texts that were processed by OCR?
Let's say that I want to connect all the paragraphs that are broken by the citations that start with (1), (2), (3), (4), (5). How would I express/automate this in bash? Keep in mind there are at most ...
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Can I transform colors of scanned pdf files and reduce the scan resolution to save memory keeping an existing text layer from OCR?
I have a pile of pdf files which have been scanned long ago and which are already searchable (i.e. they went through OCR).
However the light level and contrast settings were not optimal.
Is it ...
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How to OCR a PDF file and get the text stored within the PDF?
First, apologies if this has been asked before - I searched for a while through the existing posts, but could not find support.
I am interested in a solution for Fedora to OCR a multipage non-...
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NormCap OCR via Awesome Window Manager
One of the coolest programs I've come across recently, is an Optical Character Recognition (OCR) program called NormCap. I have it tied to a hot key, and anytime I want to copy un-highlightable text ...