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deuxième version du dataset

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  1. .gitattributes +1 -0
  2. 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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+
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+ # Hausa Ajami OCR Dataset
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+
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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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+
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+ ## Contenu
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+
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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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+
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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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+
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+ ## Sources des manuscrits
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+
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+ Le champ `source` fait référence à l'un des manuscrits suivants :
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+
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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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+
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+ *(ce tableau sera complété à mesure que de nouveaux manuscrits seront ajoutés au dataset)*
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+
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+ ## Convention de translittération
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+
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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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+
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+ ## Segmentation
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+
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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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+
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+ ## Contributeurs
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+
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+ Transcription réalisée par un locuteur natif haoussa dans le cadre du projet AjamiXTranslit (Université d'Orléans).
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