KotenOCR

An OCR app that reads classical Japanese cursive script (kuzushiji) using AI.

Features:

• Just take a photo to convert kuzushiji to text
• Powered by the National Diet Library's AI model (NDL Koten OCR-Lite)
• All processing runs on-device (no internet connection required)
• Copy and share recognized text

How to Use:

1. Capture a page with the camera or select from your photo library
2. AI automatically detects text regions and recognizes kuzushiji
3. Tap results to review, copy and use

Supports over 7,000 kanji, hiragana, and katakana characters. Optimized for Edo-period woodblock prints and manuscripts.

Licenses:

• OCR Model: NDL Koten OCR-Lite (National Diet Library, CC-BY-4.0)
• Inference Engine: ONNX Runtime (Microsoft, MIT License)

Source code: https://github.com/nakamura196/koten-ocr-ios