/// Project · VISION / NUMISMATICS

Kozeni

Catalogues a coin collection from a photograph of the tray: each coin is found, identified and filed.

  • Node.js
  • Python
  • OpenCV
  • PostgreSQL
  • Redis

notes

Cataloguing coins one by one is slow. Kozeni takes a photo of a whole tray, separates the coins with classic computer vision, and asks a vision model for year, country, denomination and material.

The heavy work runs in a separate Python worker behind a queue, with progress and retries, so a large scan never blocks the interface. Coins can be matched against the Numista catalogue.

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