# manga-ocr (kha-white/manga-ocr): OCR for Japanese text, focused on manga

- id: src_01M569MKXPYPTCFYCCQ11C3NGR
- type: source · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T17, T01, T09 · tags: level:established, kind:ocr-model, task:japanese-ocr, task:manga-text-extraction, ecosystem:transformers, ecosystem:manga109, format:pip-package
- updated: 2026-10-18T01:22:23.787Z
- url: https://veyrul.com/sources/src_01M569MKXPYPTCFYCCQ11C3NGR

Source: https://github.com/kha-white/manga-ocr

Related: kha-white/mokuro (GPL-3.0, uses manga-ocr to make a selectable-text HTML overlay for manga; pushed 2026-07-20) is queued, not recorded. Hugging Face model: kha-white/manga-ocr-base.

```json
{
  "archived": false,
  "revision": {
    "ref": "v0.1.16 (latest release, published 2026-07-19); Hugging Face model kha-white/manga-ocr-base lastModified 2022-06-22",
    "pinned": true,
    "source_url": "https://github.com/kha-white/manga-ocr/releases"
  },
  "checked_at": "2026-10-17T00:00:00.000Z",
  "parent_url": null,
  "usefulness": "Vision-Encoder-Decoder OCR model and Python package for Japanese text in manga: vertical and horizontal text, furigana, overlays, many fonts and low-quality images, multi-line speech bubbles in one pass. Output is plain text for translation or dictionary workflows; its model was trained with Manga109-s plus synthetic data, which affects reuse.",
  "source_type": "repository",
  "availability": "available",
  "dependencies": [
    "Python 3.9 or newer",
    "PyTorch",
    "transformers",
    "fugashi / MeCab (per troubleshooting notes)"
  ],
  "source_owner": "kha-white (individual developer); location not verified",
  "next_check_at": "2026-10-24T00:00:00.000Z",
  "successor_url": null,
  "hardware_notes": "GPU optional: install PyTorch with CUDA as described on the PyTorch site, otherwise CPU; no VRAM figures given.",
  "known_limitations": [
    "Included because the lead named it for Japanese manga OCR; the developer's country was not verified and the README is English, so it is a tool for the Japanese ecosystem rather than a Japan-published source.",
    "The weights are Apache-2.0 on Hugging Face but the training data included Manga109-s, whose terms require disclosing use when publishing pre-trained models; the README acknowledges the dataset but does not discuss Manga109-s terms.",
    "No benchmark numbers read."
  ],
  "upstream_updated_at": "2026-07-19T08:43:43.000Z"
}
```

Evidence claims:
- [sourced_fact] The README describes optical character recognition for Japanese text with the main focus on Japanese manga, using a custom end-to-end Vision Encoder Decoder model. · locator: README intro · source: https://github.com/kha-white/manga-ocr#readme
- [upstream_claim] Unlike many OCR models it supports recognising multi-line text in a single forward pass so speech bubbles can be processed at once. · locator: README intro · source: https://github.com/kha-white/manga-ocr#readme
- [sourced_fact] The README acknowledges that the project used the Manga109-s dataset and the CC-100 dataset. · locator: README, Acknowledgments · source: https://github.com/kha-white/manga-ocr#readme
- [sourced_fact] The LICENSE file is the Apache License 2.0. · locator: LICENSE · source: https://github.com/kha-white/manga-ocr/blob/master/LICENSE
- [sourced_fact] The Hugging Face model kha-white/manga-ocr-base is tagged license:apache-2.0 and dataset:manga109s. · locator: API tags · source: https://huggingface.co/api/models/kha-white/manga-ocr-base
- [sourced_fact] GitHub API returns the repository record for kha-white/manga-ocr: default branch master; pushed_at at check time 2026-07-19T08:43:43Z (raw response saved under evidence/github/kha-white--manga-ocr.json). · locator: GitHub API repos/kha-white/manga-ocr, default_branch (pushed_at is volatile) · source: https://api.github.com/repos/kha-white/manga-ocr
- [sourced_fact] GitHub API reports archived = false for kha-white/manga-ocr. · locator: GitHub API repos/kha-white/manga-ocr, archived · source: https://api.github.com/repos/kha-white/manga-ocr
- [sourced_fact] GitHub license detection for kha-white/manga-ocr returns spdx_id Apache-2.0. · locator: GitHub API repos/kha-white/manga-ocr, license · source: https://api.github.com/repos/kha-white/manga-ocr
- [sourced_fact] GitHub API latest release for kha-white/manga-ocr: tag v0.1.16 published 2026-07-19T08:44:54Z (selected fields of the response saved under evidence/github/kha-white--manga-ocr.release.json). · locator: GitHub API repos/kha-white/manga-ocr/releases/latest, tag_name · source: https://api.github.com/repos/kha-white/manga-ocr/releases/latest
- [upstream_claim] Research review verdict at export: reviewed (as of 2026-10-17). Recorded by the research pipeline, not a hub review outcome; evidence.review stays unreviewed until an independent reviewer records one.

Rights:
- code: license=Apache-2.0 hosting=permitted redistribution=permitted modification=permitted training=unknown · Apache-2.0; notice and patent terms apply. Does not address training. · evidence: https://github.com/kha-white/manga-ocr/blob/master/LICENSE
- model_weights: license=Apache-2.0 hosting=permitted redistribution=permitted modification=permitted training=unknown · Hub license tag says apache-2.0; the model was trained using the Manga109-s dataset (tag dataset:manga109s), whose terms require the use of Manga109-s to be indicated clearly when publishing pre-trained models and forbid redistributing the images; compliance of the published weights with those conditions was not assessed. · evidence: https://huggingface.co/api/models/kha-white/manga-ocr-base

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