Kai Zhou

PassBio: Privacy-Preserving User-Centric Biometric Authentication

2017 · arXiv (Cornell University)

The proliferation of online biometric authentication has necessitated security requirements of biometric templates. The existing secure biometric authentication schemes feature a server-centric model, where a service provider maintains a biometric database and is fully responsible …

Robust Graph Contrastive Learning with Information Restoration

2023 · arXiv (Cornell University)

The graph contrastive learning (GCL) framework has gained remarkable achievements in graph representation learning. However, similar to graph neural networks (GNNs), GCL models are susceptible to graph structural attacks. As an unsupervised method, GCL faces …