@ARTICLE {29902,
author={A. Moghaddam and F. Pereira and P.L. Correia},
doi={10.1049/iet-bmt.2019.0001},
journal={IET Biometrics},
title={Face recognition: a novel multi-level taxonomy based survey},
year={2020},
month={March},
volume={9},
number={2},
pages={58-67},
ISSN={2047-4938}
}