@inproceedings{Thuemmel21_FBA,
title = {Facial Behavior Analysis using 4D Curvature Statistics for Presentation Attack Detection},
booktitle = {IEEE International Workshop on Biometrics and Forensics (IWBF)},
author = {Martin Thümmel and Sven Sickert and Joachim Denzler},
pages = {1-6},
doi = {10.1109/IWBF50991.2021.9465080},
year = {2021},
}