Cong Wu

HeteroSample: Meta-Path Guided Sampling for Heterogeneous Graph Representation Learning

2024 · IEEE Internet of Things Journal

The rapid expansion of Internet of Things (IoT) has resulted in vast, heterogeneous graphs that capture complex interactions among devices, sensors, and systems. Efficient analysis of these graphs is critical for deriving insights in IoT …

DP-TRAE: A Dual-Phase Merging Transferable Reversible Adversarial Example for Image Privacy Protection

2025

In the field of digital security, Reversible Adversarial Examples (RAE) combine adversarial attacks with reversible data hiding techniques to effectively protect sensitive data and prevent unauthorized analysis by malicious Deep Neural Networks (DNNs). However, existing …

HT-Auth: Secure VR Headset Authentication via Subtle Head Tremors

2025 · Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies

While Virtual Reality (VR) applications have gained popularity in recent years, efficiently identifying users on VR devices remains challenging. Current solutions, such as passwords and digital PINs, relying on handheld controllers or in-air hand gestures, …

MagLive: Robust Voice Liveness Detection on Smartphones Using Magnetic Pattern Changes

2026 · IEEE Transactions on Information Forensics and Security

Voice authentication has been widely used on smartphones. However, it remains vulnerable to spoofing attacks, where the attacker replays recorded voice samples from authentic humans using loudspeakers to bypass the voice authentication system. In this …