Ajami Handwritten Text Recognition Dataset

Technical Details

This dataset contains images of Fulfulde and Hausa Ajami manuscripts and each page's polygon coordinates for segmentation (region and line), and each line's transcription. There are 29 manuscripts (5 Fulfulde and 24 Hausa) which total 400 pages and 6,132 lines. The manuscripts are sourced from Boston University's "The Four Languages" and "African Ajami Library", Arewa House at Ahmadu Bello University, and the Hill Museum and Manuscript Library (HMML). The majority of of these manuscripts are poems. The Fulfulde manuscripts originally come from Guinea (Fuuta Jalon and Conakry) and Mali (Timbuktu), whereas the Hausa manuscripts all come from Nigeria (Zaria and Kano).

Data Structure

The dataset is first organized by language, then organized by transcription method. The gold-standard, diplomatic transcription of all manuscripts (as they appear in the original manuscripts) are in the "manual" directory/folder for each manuscript. All other directories/folders for a manuscript are automatic transcription attempts by various Arabic-script OCR/HTR models, which are of much lower quality. To access the ground-truth transcriptions you only need to extract the "manual" folder for each manuscript.