Published September 13, 2022
| Version v3
Dataset
Open
HTR - Araucania - XIX manuscript
Description
General
Ground Truth dataset for Spanish 19th typewritten OCR (XML-ALTO)
The archives come from the events of the Occupation of Araucania (1850-1881) in Chile. They are archived in the 'Colección manuscritos' of the Archivo Central Andres Bello - Universidad de Chile.
Thereby, it is not possible to publicly distribute the images (.jpg)
To use them for segmentation/recognition model training, please contact me : archivo.central@uchile.cl
Methodology
Transcription rules :
- xxx for blurred or unreadable characters
- ^+letters for superscript letters
- ⁋ for new paragraph
Using the Kraken OCR engine in finetuning with the Menu_MacFrench template. A template uses the NFKD method.
Segmonto ontology
Evaluation
| Name | Quantity (GT) |
|
Test_acc | CER | WER | |||
| HTR-Araucania_XIX | 180 |
|
|
0,05598 | 0.21423 | |||
| HTR-Araucania_XIX_NFKD | 180 | 0,89872 | 0,8563 |
|
0.24963 |
Others
JSONL file for NER annotation in ner/ (MISC, LOC, PERS, ORG, DATE)
Files
215_1_a.xml
Files
(37.8 MB)
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