%0 Electronic Chapter %A Yunlian Sun %+ School of Computer Science and Engineering, Nanjing University of Science and Technology %A Massimo Tistarelli %+ Department of Sciences and Information Technology, University of Sassari %T Recent advances in unconstrained face recognition %K unconstrained face recognition %K face recognition systems %K advanced face representations %B Information Security: Foundations, Technologies and Applications %D 2018 %I Institution of Engineering and Technology %P 173-187 %R doi:10.1049/PBSE001E_ch8 %S Security %U https://digital-library.theiet.org/;jsessionid=1lr1ful0vu92b.x-iet-live-01content/books/10.1049/pbse001e_ch8