2 papers
cs.CR2025
FLAME: Flexible and Lightweight Biometric Authentication Scheme in Malicious Environments
Fuyi Wang, Fangyuan Sun, Mingyuan Fan +5
Privacy-preserving biometric authentication (PPBA) enables client authentication without revealing sensitive biometric data, addressing privacy and security concerns. Many studies…
cs.LG2025
Natural Gradient VI: Guarantees for Non-Conjugate Models
Fangyuan Sun, Ilyas Fatkhullin, Niao He
Stochastic Natural Gradient Variational Inference (NGVI) is a widely used method for approximating posterior distribution in probabilistic models. Despite its empirical success and…