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 source and target of the conversion.

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20
votes
4answers
12k views

Is there some sort of PDF to text -converter?

I need PDF files to 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.
19
votes
3answers
12k views

how to OCR a pdf file and get the text stored within 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-...
14
votes
5answers
4k views

OCR on Linux systems [closed]

I have always found OCR technology to be behind on open source systems. I've also watched the Ocropus project since its infancy. I've tried what I've heard is the best OCR engine available for Linux,...
2
votes
0answers
67 views

OCR that outputs probability data

I would like to convert printed books I own into audio by scanning them with OCR and then running the text through a TTS engine. These titles are not available as ebooks. Since OCR can make small ...
4
votes
1answer
888 views

tesseract: is it possible to change font output in OCRed pdf?

Following up on how to OCR a pdf file and get the text stored within pdf? I have successfully produced OCRed pdf pages. In Evince, however, the letters are not shown; by this I mean that I cannot see ...
3
votes
2answers
868 views

Create custom wordlist

I want to create a custom list of (scientific) words for purposes like spell checking and OCR based on my collection of scientific papers in pdf format. Using pdftotext I can easily create a text file ...