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Questions tagged [tesseract]

An open-source optical character recognition engine

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How can I get tesseract-ocr v5 to find the eng.traineddata file?

Ubuntu 22.04.3 LTS tesseract 5.3.2 XSane 0.999 YAGF 0.9.5 Epson Workforce WF-4835 printer/scanner This set up works together to a point. Clicking the Scan button in YAGF causes XSane to start up, scan ...
Hedley Finger's user avatar
3 votes
1 answer
393 views

What program is suitable for making scanned PDF files searchable?

I would like to be able to scan paper documents to PDF files and make the text searchable. I believe the Tesseract program can assist this, but don't know how to begin, and don't know what would be ...
Hedley Finger's user avatar
-1 votes
1 answer
908 views

Python code works on linux, error occurs on windows(backslashes) [closed]

So I have a personal project which I know is pretty inefficient but works. I am writing a python code that executes the non pip version of tesseract(apt installed in linux). My code works on linux, ...
itpug's user avatar
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1 vote
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I'm having trouble installing OCRopy, I want to use it to create train data for an old manuscript in latin. What prereqs are needed and lines to write

So I am new to using Ubuntu and I am trying to install OCRopy to make train data with the end goal of creating a transcript for a 15th c. manuscript. So far I am considering that my problem may be a ...
mumbot's user avatar
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2 votes
0 answers
158 views

OCR with two-page layout

I'm trying to do OCR on a pdf with a two-page layout - in a landscape-orientation page of the PDF, the left half is one (portrait-orientation) page, the right half is the next (portrait-orientation) ...
Raffi's user avatar
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0 answers
40 views

Aletheia equivalent for Ubuntu

Is there a ubuntu-linux equivalent to windows Aletheia, a program to analyze fonts, export points to xml? Mainly I would use it for OCR and training tesseract. I understand that ImageMagick can cover ...
rearThing's user avatar
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1 answer
1k views

Why does tesseract append ^L to the output

I am using tesseract to OCR some text in images, e.g this one: I have this version of tesseract on my Ubuntu 20.04: $ tesseract --version tesseract 4.1.1 leptonica-1.79.0 libgif 5.1.4 : libjpeg 8d ...
izri_zimba's user avatar
1 vote
1 answer
379 views

Cannot make .box files -Training Tessearct

I am trying to train Tesseract in Ubuntu 20.04.1 LTS.I have downloaded tesseract and the training tools required. For the training data I am using jTessBoxEditor.I have the .tiff files but I am unable ...
Hula's user avatar
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192 views

Tesseract with "fl" and "fi" characters

I started using tesseract yesterday. It worked very well, but apparently my original text (in the scanned image) had characters that combine fi into one, single character and fl into another single ...
Georgie's user avatar
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1 answer
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Error when building tesseract from source [duplicate]

I've hit an error trying to build tesseract. From the log output, my suspicion is that there is some python2 code causing an issue. My system python is 3.7. Not sure how to resolve, any tips ...
Neil's user avatar
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3 votes
0 answers
2k views

Tesseract giving errors

This morning I tried to use tesseract and I'm getting the following error messages: $ tesseract --list-langs Error in pixReadMemTiff: function not present Error in pixReadMem: tiff: no pix returned ...
To Do's user avatar
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2 votes
2 answers
645 views

How to write bash script to run the same command for all files in a directory

I want to run this command for all files in a directory. tesseract /home/kong/Documents/input/248.jpg stdout --psm 1 --oem 1 --dpi 300 tsv >/home/kong/Documents/input/ocr_output/input/248.tsv The ...
BloodThirst's user avatar
1 vote
1 answer
1k views

Can Qt-box-editor be used for tesseract 4.0?

I am using tesseract 4.0 for character recognition. In many blogs, it is written that Qt-box-editor can be used with tesseract 3.x. My question is:- Can Qt-box-editor be used with tesseract 4.0?
Ashna Eldho's user avatar
1 vote
3 answers
6k views

Tesseract -tessdata-dir option not working in ubuntu 18.04

I am trying to use the best model from tesseract. However, I am getting the following error: tesseract sample.jpg stdout --tessdata-dir tessdata/ Error opening data file tessdata/eng.traineddata ...
Monster's user avatar
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1 vote
3 answers
9k views

Ubuntu 18.04 error install tesseract

I've installed Ubuntu 18.04. I've installed tesseract using sudo apt-get install tesseract-ocr When I type: tesseract -v I had an error: tesseract: symbol lookup error: /usr/lib/x86_64-linux-gnu/...
mayur panchal's user avatar
0 votes
2 answers
1k views

How can I get Tesseract OCR to recognise the large digits of an electricity meter?

I want to use an OCR program on an RPi to recognise the digits from a photo of my electricity meter. The digits are large and are very obvious to me, but Tesseract appears unable to recognise them at ...
Shaka Zulu's user avatar
5 votes
2 answers
2k views

ocrfeeder doesn't detect anything

When I try to detect text on my jpeg, it shows correctly all areas where it suspects text and images, but when I export it to ODT it only creates an ODT with empty text- and imageframes. Do I have to ...
rubo77's user avatar
  • 33k
3 votes
1 answer
5k views

How to improve tesseract performance?

By all accounts, tesseract is superb. However, my results are dismal. I need to convert (digital, as opposed to from a book) text that I only have as a png. For instance: 2 3 academics 1 1711 2 ...
katriel's user avatar
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