How facial recognition technology keeps you safe
Jun 9, 2022Kai Feng Tee

Summary
This post details the technical implementation of Grab's facial recognition system. It covers the application of facial recognition for identity verification and e-KYC, and elaborates on the technical pipeline including face detection, alignment, anti-spoofing (with techniques for synthetic data generation and patch-based training), and feature extraction. It also discusses face verification, including the challenges of selfie-to-ID and selfie-to-masked selfie scenarios, and the use of semi-Siamese training and masked selfie data for model improvement.