Shanghai Jiao Tong University; Tencent; Dept. of Computer Sci. & Eng., Shanghai Jiao Tong University; Tencent Youtu Lab
Chengyang Hu, Ke-Yue Zhang, Taiping Yao, Shouhong Ding, Lizhuang Ma
Rethinking Generalizable Face Anti-spoofing via Hierarchical Prototype-guided Distribution Refinement in Hyperbolic Space