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Grape 2.0

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@Joost-8 Joost-8 released this 21 Oct 17:49

Grape 2.0, the FineNotes handwriting model.

  • A 5x192 network that reads Bezier curves instead of points: smaller on disk than it sounds (5.7 MB), and about a third faster to run than Grape 1.0.
  • Trained on label-checked data, and with formulas written on one line.
  • On the developer's own iPad notes, 13.4 % of characters wrong against 21.2 % for Grape 1.0; on a copy sheet 9.7 % against 14.0 %. Public test sets are level (UNIPEN, IAM-OnDB) or better (ImadocSen, BRUSH); DeepWriting is 1 point worse. Full table in eval.md.
  • Model file format 2 (see FORMAT.md). reader.py reads format 1 only.
  • Apache 2.0, same attributions as before plus HWRT (see NOTICE).

SHA-256: f553c71367e8881f2918c9a34a44b3f215a54e86b39d6547ff885aede1fa6d04