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deuxième version du dataset
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- .gitattributes +1 -0
- README.md +46 -0
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---
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language:
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- ha
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size_categories:
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- n<1K
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task_categories:
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- image-to-text
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- image-text-to-text
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---
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# Hausa Ajami OCR Dataset
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Ce dataset contient des paires image/transcription de manuscrits haoussa en écriture ajami (écriture arabe adaptée au haoussa).
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## Contenu
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Chaque ligne du fichier `data/train/metadata.jsonl` correspond à une ligne de texte ajami segmentée, avec :
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- `file_name` : nom du fichier image correspondant (image de la ligne, recadrée)
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- `transcript` : translittération en écriture latine de la ligne
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- `source` : identifiant du manuscrit d'origine (voir tableau ci-dessous)
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## Sources des manuscrits
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Le champ `source` fait référence à l'un des manuscrits suivants :
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| ID source | Titre du manuscrit | Auteur / Copiste | Notes |
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|-----------|---------------------|-------------------|-------|
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| 1 | Infiraji | Inconnu | Poème religieux, scan 300 ppi |
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*(ce tableau sera complété à mesure que de nouveaux manuscrits seront ajoutés au dataset)*
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## Convention de translittération
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- Consonnes glottalisées haoussa notées selon l'orthographe boko standard : `ɗ`, `ƙ`, `ɓ`
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- Emprunts arabes (vocabulaire religieux) translittérés avec macrons et signes diacritiques scientifiques (ex. `ā`, `ī`, `ū`, `ʿ`, `ṣ`, `ḥ`)
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- Hamza notée par une apostrophe simple `'`
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- Les tons et la longueur vocalique du haoussa courant ne sont pas systématiquement notés dans cette version
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## Segmentation
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La segmentation actuelle est faite **au niveau de la ligne**. La segmentation au niveau du mot n'est pas encore disponible dans cette version du dataset.
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## Contributeurs
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Transcription réalisée par un locuteur natif haoussa dans le cadre du projet AjamiXTranslit (Université d'Orléans).
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