2 papers
cs.CR2026
UiAs: User-Independent 3D Facial Anti-Spoofing via Multi-modal Wireless Signals
Zhiwei chen, Lebin Lyu, Yimo Zhang +7
Face authentication is widely deployed in security-sensitive applications, while increasingly realistic 3D spoofing attacks pose growing threats. High-fidelity 3D masks can reprodu…
cs.ET2026
GaMi: Geometry-Agnostic Material Identification via Cross-Modal Subtractive Disentanglement
Zhiwei Chen, Yijie Li, Yimo Zhang +9
Non-contact material identification enables adaptive interaction for embodied intelligence yet faces challenges from geometry-induced variations (e.g., orientation, shape, distance…