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omr-synth — 30,000 synthetic music-notation pages (Western · Jianpu · Sargam)
Render-forward synthetic data for optical music recognition of the notations general vision models can't read. One symbolic score → three renderers → one shared OMRDSL target. Every image ships with a perfect label — no human transcription. Built for a weekend learning project.
- 💻 Code: https://github.com/abhid1234/omr-synth
- 🤖 Model: https://huggingface.co/abhid1234/omr-synth
- ▶️ Demo: https://omr-synth.vercel.app
Contents
omr-synth-30k.tar.gz— 30,000(image, target)pairs:images/*.png+targets/*.omrdsl. 10,000 each of Western staff, Jianpu (简谱), Sargam. Curriculum levels 0–3 (clean → manuscript-like).manifest.jsonl— one row per example:id, image, target, notation, renderer, curriculum, width, height.samples/— a small browsable preview.
How it's made
Western: MusicXML → Verovio → CairoSVG. Jianpu & Sargam: drawn programmatically from the same symbolic
record. Deterministic by seed; fully regenerable from the repo (make synth SIZE=n).
Splits
Stable train/val/test (80/10/10) by hashing each id (src/data/split.py). MIT · Abhi Das.
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