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QuarterMill26
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k15-tesseract

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ocr
text-recognition
tesseract
uv-script
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image
image
id
string
title
string
date
string
language
string
decade
int32
collection
string
data_provider
string
rights
string
page_iiif_url
string
page
int32
text
string
mean_ocr
float64
width
int32
height
int32
alto_unit
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alto_page_size
list
alto_image_aspect_diff
float64
box_alignment
string
lines
list
words
list
alto_xml
string
stratum
string
stratum_rank
int64
tier
int32
prediction
string
inference_info
string
https://www.europeana.eu/item/9200300/BibliographicResource_3000051813358/$3
Wiener Zeitung
1828-07-02
de
1,820
9200300
Österreichische Nationalbibliothek - Austrian National Libra
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9200300|de|1820
308
1
"ee\n\nBeit —“Sarometet monete\nae 8 $ eit anf o Gr, Meaunine reducitt ae .\n. Meteorotogi{He Be(...TRUNCATED)
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https://www.europeana.eu/item/9200300/BibliographicResource_3000073483872/$2
"Ellēnikos tēlegraphos: ētoi eidēseis dia ta anatolika mere. Politikē, philologikē te emporik(...TRUNCATED)
1817-05-10
el
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9200300
Österreichische Nationalbibliothek - Austrian National Libra
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9200300|el|1810
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https://www.europeana.eu/item/9200356/BibliographicResource_3000118374886/$1
Postimees
1902-09-24
et
1,900
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National Library of Estonia
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https://www.europeana.eu/item/9200301/BibliographicResource_3000126315322/$4
Satakunta, nr: 142 Sanomia Länsi
1910-12-13
fi
1,910
9200301
National Library of Finland
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9200301|fi|1910
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https://www.europeana.eu/item/9200396/BibliographicResource_3000118435486/$48
La clef du cabinet des princes de l'Europe
1742-04-01
fr
1,740
9200396
National Library of Luxembourg
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9200396|fr|1740
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https://www.europeana.eu/item/9200300/BibliographicResource_3000116305009/$3
Nasa Sloga
1872-05-16
hr
1,870
9200300
Österreichische Nationalbibliothek - Austrian National Libra
http://creativecommons.org/publicdomain/mark/1.0/
https://iiif.onb.ac.at/i…ll/0/default.jpg
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"— 39 - M. Jest, pak biraj, ako nisi bez duše, u sabor zastupnike, koje ti preporučaju i narivaj(...TRUNCATED)
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9200300|hr|1870
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https://www.europeana.eu/item/9200357/BibliographicResource_3000095242609/$6
Gazeta Warszawska
1936-02-07
pl
1,930
9200357
National Library of Poland
http://creativecommons.org/publicdomain/mark/1.0/
https://iiif.europeana.e…ll/0/default.jpg
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9200357|pl|1930
6
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"‘Konierencja Pokojawa\n“a Dr. E.3. Dillon, »The Peace\n\nConference*, London Hatchinson\net C-(...TRUNCATED)
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https://www.europeana.eu/item/9200356/BibliographicResource_3000100336566/$4
Eestimaa Kubermangu Teataja
1911-11-17
ru
1,910
9200356
National Library of Estonia
http://creativecommons.org/publicdomain/mark/1.0/
https://iiif.europeana.e…ll/0/default.jpg
4
"6) что веб бумаги и документы, относящаяся до публичной(...TRUNCATED)
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9200356|ru|1910
72
1
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https://www.europeana.eu/item/9200339/BibliographicResource_3000095264673/$2
Pravda
1928-01-21
sr
1,920
9200339
University of Belgrade
http://creativecommons.org/publicdomain/mark/1.0/
https://iiif.europeana.e…ll/0/default.jpg
2
"ОТРДПА 1 ..ПРАВДЛ\" 21. ЈАНУАРА 1»28. ГОЛ- КР«.Т !8 СИТУАЦИЈА (...TRUNCATED)
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9200339|sr|1920
1,581
1
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https://www.europeana.eu/item/9200301/BibliographicResource_3000126333063/$7
Hufvudstadsbladet, nr: 54
1909-02-25
sv
1,900
9200301
National Library of Finland
http://creativecommons.org/publicdomain/mark/1.0/
https://iiif.europeana.e…ll/0/default.jpg
7
null
2,535
3,499
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9200301|sv|1900
129
1
"_ Torsdagen den 25 Februari\n\npragel p& nyvalen. Bladet befarar,\nalt dellagandet i valen efter al(...TRUNCATED)
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End of preview. Expand in Data Studio

Document OCR using Tesseract

This dataset contains OCR results from images in QuarterMill26/k15-europeana using Tesseract, the classical open-source CPU OCR engine — a cheap, no-GPU baseline alongside the VLM OCR recipes.

Processing Details

Configuration

  • Image Column: image
  • Output Column: prediction
  • Dataset Split: train
  • Page Segmentation Mode (psm): 3
  • OCR Engine Mode (oem): 3
  • Workers: 4

Model Information

Tesseract is a classical (non-VLM) OCR engine:

  • Runs on CPU — no GPU required
  • v4+ uses an LSTM-based recognition engine
  • 100+ languages via installable data packs
  • Plain-text output (no markdown / table / formula structure)
  • Apache-2.0 licensed

Dataset Structure

The dataset contains all original columns plus:

  • prediction: The recognised text (plain text)
  • inference_info: JSON list tracking all OCR models applied to this dataset

Reproduction 

uv run https://huggingface.co/datasets/uv-scripts/ocr/raw/main/tesseract-ocr.py \
    QuarterMill26/k15-europeana \
    <output-dataset> \
    --image-column image \
    --lang eng \
    --psm 3

Generated with UV Scripts
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