Novel AI could help with banknote quality control

- Central Banking Newsdesk
- 05 Jun 2026

A unique artificial intelligence tool could help with quality control of banknote production.

In a new paper published on June 4, Bank of Italy researchers use what they call “Siamese networks” to spot defective banknotes during the quality control process.

The technology builds on having two identical subnetworks that share the same weights and parameters. Instead of learning from individual samples, they are trained on pairs of inputs; this involves determining whether two images belong to the

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