iQIYI Technical Product Team

Oct 31, 2019 · Artificial Intelligence

UIR Loss: Leveraging Unlabeled Data to Enhance Face Recognition

iQIYI introduces a semi‑supervised Unknown Identity Rejection (UIR) loss that uses massive unlabeled face images to push unknown samples away from known class centers, improving open‑set face‑recognition accuracy, feature sparsity, and out‑of‑library rejection rates across multiple benchmarks and products.