tesseract-ocr

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Welcome,

Before sending an email to the group:

Please read Frequently Asked Questions
Make sure you read the Tesseract documentation
Search internet sources (including this group) for a solution

If you have a problem:

Provide all steps (including input resources) for its replication.
So not send a screenshot of the terminal - send the logs or copy text from a terminal.

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James Smith

Jan 21

force 2 lines

I am trying to ocr my cell phone usage report. Sometimes it is two lines, all the numbers on one line

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force 2 lines

I am trying to ocr my cell phone usage report. Sometimes it is two lines, all the numbers on one line

Jan 21

James Smith6

Jan 21

2 line PNG to more than 2 lines output (used to output 2 lines of text)

It wasn't the uneven line because it happened again and it seems even horizontally. On Thursday,

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2 line PNG to more than 2 lines output (used to output 2 lines of text)

It wasn't the uneven line because it happened again and it seems even horizontally. On Thursday,

Jan 21

Thomas

Jan 19

Guidence for optimising model.

Hi!, Thank you for reading, I'm new here and have a hard time getting my head around how the

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Guidence for optimising model.

Hi!, Thank you for reading, I'm new here and have a hard time getting my head around how the

Jan 19

Shavkat Sultanov

Jan 18

is there a minimum amount of samples that is required for a training to start running?

I encountered a similar issue as this guy: https://github.com/tesseract-ocr/tesstrain/issues/40 I

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is there a minimum amount of samples that is required for a training to start running?

I encountered a similar issue as this guy: https://github.com/tesseract-ocr/tesstrain/issues/40 I

Jan 18

Shavkat Sultanov7

Jan 18

Failed to read continue from: ./data/gg_custom_1/checkpoints/gg_custom_1_checkpoint make: *** [Makefile:325: data/gg_custom_1.traineddata] Error 1

combine_lang_model \ --input_unicharset ./data/gg_custom_1/unicharset \ --script_dir ./data/langdata

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Failed to read continue from: ./data/gg_custom_1/checkpoints/gg_custom_1_checkpoint make: *** [Makefile:325: data/gg_custom_1.traineddata] Error 1

combine_lang_model \ --input_unicharset ./data/gg_custom_1/unicharset \ --script_dir ./data/langdata

Jan 18

Shavkat Sultanov, Zdenko Podobny13

Jan 7

my training fails

Hi again, I copied over the actual eng-traineddata (14.6MB) file now. It does not have a problem with

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my training fails

Hi again, I copied over the actual eng-traineddata (14.6MB) file now. It does not have a problem with

Jan 7

Maxim Kizub

Jan 1

Strange PSM 7 and 13 results

Hello. I've trained tesseract for specific font on a carefully scaled and baseline aligned set of

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Strange PSM 7 and 13 results

Hello. I've trained tesseract for specific font on a carefully scaled and baseline aligned set of

Jan 1

Jürgen Uhl, Zdenko Podobny2

12/12/25

Strange bbox'es in image_to_boxes

Hi there, I'm afraid our crystal balls are on permanent vacation, so we have no way of magically

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Strange bbox'es in image_to_boxes

Hi there, I'm afraid our crystal balls are on permanent vacation, so we have no way of magically

12/12/25

محمود محمد

12/7/25

Has anyone created a training file from scratch

Welcome everyone! This is Mahmoud, a member of the group. My question is: Has anyone created a

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Has anyone created a training file from scratch

Welcome everyone! This is Mahmoud, a member of the group. My question is: Has anyone created a

12/7/25

Baraah Kassab, Sara Elshobaky4

11/30/25

Arabic OCR

Dear, this is a main train data file or i need to combine it with other train data? when i use it

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Arabic OCR

Dear, this is a main train data file or i need to combine it with other train data? when i use it

11/30/25

Stéphane Brunner, Zdenko Podobny5

11/25/25

Image just some color converted into black and white

Hello, Thanks, effectively it's working with a newer version :-) CU Stéph Le samedi 22 novembre

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Image just some color converted into black and white

Hello, Thanks, effectively it's working with a newer version :-) CU Stéph Le samedi 22 novembre

11/25/25

Jozef M., Ger Hobbelt2

11/11/25

Tesseract LSTM competitive word recognition (at least for certain use cases)

Thank you for publishing this. Question: the -1 confidence numbers for T3 and T4 in the charts: could

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Tesseract LSTM competitive word recognition (at least for certain use cases)

Thank you for publishing this. Question: the -1 confidence numbers for T3 and T4 in the charts: could

11/11/25

Mattia Mirri, Ger Hobbelt2

11/10/25

Help with auto island detection

Relevant (if only sideways at first glance): - https://tesseract-ocr.github.io/tessdoc/ImproveQuality

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Help with auto island detection

Relevant (if only sideways at first glance): - https://tesseract-ocr.github.io/tessdoc/ImproveQuality

11/10/25

Jeremy C. Reed, Ger Hobbelt2

11/9/25

training using a page at a time?

In answer to your question: AFAIK there is no 'simple' solution/answer. Reading, OCRing (old)

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training using a page at a time?

In answer to your question: AFAIK there is no 'simple' solution/answer. Reading, OCRing (old)

11/9/25

Harshit Goel, Ger Hobbelt5

11/5/25

tesseract via gosseract returns empty text for one image, but CLI detects correctly ("NO SMOKING")

"tav output modes": typo! I meant to say "TSV output mode". Sorry. Met

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tesseract via gosseract returns empty text for one image, but CLI detects correctly ("NO SMOKING")

"tav output modes": typo! I meant to say "TSV output mode". Sorry. Met

11/5/25

Sandeep G

11/3/25

Issue with Colon Recognition After Fine-Tuning Tesseract 5.5.3 on Russian Dataset

I'm currently working on fine-tuning the Tesseract OCR model (version 5.5.3) and encountered an

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Issue with Colon Recognition After Fine-Tuning Tesseract 5.5.3 on Russian Dataset

I'm currently working on fine-tuning the Tesseract OCR model (version 5.5.3) and encountered an

11/3/25

Michael Schuh, … Ger Hobbelt11

11/1/25

Trouble extracting date and time from image

You're welcome! Good luck and take care! .... (For posterity / google search, here's a

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Trouble extracting date and time from image

You're welcome! Good luck and take care! .... (For posterity / google search, here's a

11/1/25

Coure 2011

10/29/25

Deserialize header failed: 1.lstmf

I need to train the default eng data, so that it can also recognize new characters. I created box

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Deserialize header failed: 1.lstmf

I need to train the default eng data, so that it can also recognize new characters. I created box

10/29/25

Jean-Marc Spaggiari, Zdenko Podobny2

9/28/25

Same command for 2 files

Hi, But for the Aurochs file I'm getting "Empty page!!". I have not been able to get a

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Same command for 2 files

Hi, But for the Aurochs file I'm getting "Empty page!!". I have not been able to get a

9/28/25

pascal 06, Tom Morris4

9/18/25

Carriage return after each word

Bonsoir Tom, je suppose que tu es francophone :) Merci pour ta réponse ! Je vais continuer en anglais

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Carriage return after each word

Bonsoir Tom, je suppose que tu es francophone :) Merci pour ta réponse ! Je vais continuer en anglais

9/18/25

Alessandro Griseta, … Milan Hauth4

8/30/25

[questions] what happened to `tessdata_best` in Tesseract 5?

works for me with tesseract 5.5.1 git clone --depth=1 https://github.com/tesseract-ocr/tessdata_best

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[questions] what happened to `tessdata_best` in Tesseract 5?

works for me with tesseract 5.5.1 git clone --depth=1 https://github.com/tesseract-ocr/tessdata_best

8/30/25

Andrus Moor

8/24/25

How recognize text with background

Tried https://github.com/Sicos1977/TesseractOCR and Leptonica to convert jpg receipt slip to text:

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How recognize text with background

Tried https://github.com/Sicos1977/TesseractOCR and Leptonica to convert jpg receipt slip to text:

8/24/25

Pavel Hanák

8/21/25

Tesseract returns exotic characters while processing standard latin-script document

Short version: Ghostscipt uses Tesseract, but their data exchange interface may contain a bug.

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Tesseract returns exotic characters while processing standard latin-script document

Short version: Ghostscipt uses Tesseract, but their data exchange interface may contain a bug.

8/21/25

Yuwen Hsieh

8/15/25

Can't install 5.5.1

Hello I tried to install Tesseract with docker base image python:3.11-trixie, but it's installing

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Can't install 5.5.1

Hello I tried to install Tesseract with docker base image python:3.11-trixie, but it's installing

8/15/25

Cary Lewis

8/14/25

OCR of iPhone Screen shots

I have been trying with some success to have tesseract recognize text from iPhone's about screen.

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OCR of iPhone Screen shots

I have been trying with some success to have tesseract recognize text from iPhone's about screen.

8/14/25

Thomas McGrew, Zdenko Podobny7

8/10/25

Incorrect text detection

You are correct, I did miss that section. Inverting the image seems to produce better results. I

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Incorrect text detection

You are correct, I did miss that section. Inverting the image seems to produce better results. I

8/10/25

Jan-Erik Lärka, Nikola Smolenski4

8/4/25

TESSDATA_PREFIX doesn't work with national character(s)

The problem is that there are two places attempting to use TESSDATA_PREFIX and they have conflicting

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TESSDATA_PREFIX doesn't work with national character(s)

The problem is that there are two places attempting to use TESSDATA_PREFIX and they have conflicting

8/4/25

Terasgr

7/25/25

Modern Greek depends on Ancient Greek language?

Hello people. When I tried to OCR a Greek text using tesseract I found that the modern Greek data (

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Modern Greek depends on Ancient Greek language?

Hello people. When I tried to OCR a Greek text using tesseract I found that the modern Greek data (

7/25/25

Graham Toal

7/20/25

Re: [tesseract-ocr] How can I find out the version of current Tesseract from cmdline?

'--' not '-' gtoal@linux:~/github/uparse-main$ tesseract Usage: tesseract --help | --

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Re: [tesseract-ocr] How can I find out the version of current Tesseract from cmdline?

'--' not '-' gtoal@linux:~/github/uparse-main$ tesseract Usage: tesseract --help | --

7/20/25

Tom Vercauteren, … Fly Night Society7

7/17/25

Best settings to OCR an image of some cyphered text (base64)

I already have, and yes to all. On Wednesday, July 16, 2025 at 5:33:53 PM UTC-4 tfmo...@gmail.com

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Best settings to OCR an image of some cyphered text (base64)

I already have, and yes to all. On Wednesday, July 16, 2025 at 5:33:53 PM UTC-4 tfmo...@gmail.com

7/17/25