PCGattnNet: A 3-D Point Cloud Dynamic Graph Attention for Generalizable Face Presentation Attack Detection. - Raghavendra Ramachandra; Narayan Vetrekar; Sushrut Patwardhan; Sushma Venkatesh; Gauresh Naik; Rajendra S. Gad (IEEE Trans. Biom. Behav. Identity Sci., 2025)