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BDRC/monlamai-transcriptions

Tibetan OCR — MonlamAI transcriptions 3,072 page images of Tibetan dbu-med (u-med) manuscripts with page-level Unicode transcriptions, contributed by MonlamAI over BDRC manuscript scans and aligned page by page. This is the full page equivalent of the line-segmented datasets available on openpecha/OCR-Betsug and openpecha/OCR-Drutsa, with the following changes: filter out cases where not all line in a page are transcribed (so not all the lines in the original datasets are… See the full description on the dataset page: https://huggingface.co/datasets/BDRC/monlamai-transcriptions.

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Tibetan OCR — MonlamAI transcriptions

<!-- DRAFT. Real page-to-text MonlamAI transcriptions (the synthetic handwritten pages live in BDRC/monlamai-handwritten). Numbers measured 2026-08-18. -->

3,072 page images of Tibetan dbu-med (u-med) manuscripts with page-level Unicode transcriptions, contributed by MonlamAI over BDRC manuscript scans and aligned page by page.

This is the full page equivalent of the line-segmented datasets available on openpecha/OCR-Betsug and openpecha/OCR-Drutsa, with the following changes:

  • filter out cases where not all line in a page are transcribed (so not all the lines in the original datasets are present there), checked manually
  • manual filtering on general quality

These changes were implemented by BDRC as part of the BDRC Tibetan OCR release; see the model `BDRC/tibetan-ocr`, the evaluation benchmark, and the companion synthetic set `BDRC/monlamai-handwritten`.

Funded by the Khyentse Foundation ("The BDRC Etext Corpus" grant).

At a glance

Images (pages)3,072
Total size0.78 GiB
Scriptu-med (3,072)
Technologymanuscript (3,072)
Writing styles (script_4)danyig/pedri (2,459) · druma (590) · multi-script (22) · gyuyig/tsugdri (1)
Source of imagesBDRC scans
Source of transcriptionsMonlamAI (page-to-text)
LicenseCC0-1.0

Contents & schema

One row per page. Columns:

ColumnDescription
imageembedded page scan (HF Image)
transcriptionTibetan Unicode ground truth
idunique row id
mw_idBDRC version id of the source volume
technologymanuscript
scriptume
script_4writing-style family (danyig/pedri, druma, …)
python
from datasets import load_dataset
ds = load_dataset("BDRC/monlamai-transcriptions", split="train")
print(ds[0]["transcription"]); ds[0]["image"]

Splits

Single train split (training resource). For held-out evaluation use the separate BDRC Tibetan OCR benchmark.

License, attribution & image rights

  • License: CC0-1.0 — use, modify, redistribute freely.
  • Attribution requested (not required): please cite the Buddhist Digital Resource Center (BDRC) and MonlamAI.
  • ⚠ Image-rights disclaimer: BDRC claims no copyright over the scans, but verifying the copyright status of each underlying original book is the user's responsibility.

Citation

bibtex
@misc{bdrc_monlamai_transcriptions_2026,
  title  = {Tibetan OCR --- MonlamAI transcriptions (dbu-med manuscripts)},
  author = {Buddhist Digital Resource Center and MonlamAI},
  year   = {2026},
  howpublished = {Hugging Face},
  note   = {https://huggingface.co/datasets/BDRC/monlamai-transcriptions}
}