2 papers
cs.CR2026
Coward: Collision-based OOD Watermarking for Practical Proactive Federated Backdoor Detection
Wenjie Li, Siying Gu, Yiming Li +4
Backdoor detection is currently the mainstream defense against backdoor attacks in federated learning (FL), where a small number of malicious clients can upload poisoned updates to…
cs.CV2025
Secure and Scalable Face Retrieval via Cancelable Product Quantization
Haomiao Tang, Wenjie Li, Yixiang Qiu +2
Despite the ubiquity of modern face retrieval systems, their retrieval stage is often outsourced to third-party entities, posing significant risks to user portrait privacy. Althoug…