AntTech

Jun 1, 2018 · Mobile Development

Optimizing QR Code Scanning: Boosting Recognition Rate, Cutting Latency, and Enhancing Robustness

This article details how Alipay's scanning technology team improved QR code recognition by refining aspect‑ratio tolerance, introducing new pattern detection modes, applying diagonal filtering, leveraging logistic‑regression classification, adjusting jump‑line intervals, and moving binarization to GPU, resulting in a 6.95‑point increase in recognition rate and significantly reduced processing time.