Identity Confirmation to Issue Tickets Using Face Recognition. - Akitoshi Okumura; Susumu Handa; Takamichi Hoshino; Yugo Nishiyama (HCI (26), 2016)

Identity Verification of Ticket Holders at Large-scale Events Using Face Recognition. - Akitoshi Okumura; Takamichi Hoshino; Susumu Handa; Yugo Nishiyama; Masahiro Tabuchi (J. Inf. Process., 2017)

Identity Verification for Attendees of Large-scale Events Using Face Recognition of Selfies Taken with Smartphone Cameras. - Akitoshi Okumura; Takamichi Hoshino; Susumu Handa; Eiko Yamada; Masahiro Tabuchi (J. Inf. Process., 2018)

Identity Verification Using Face Recognition Improved by Managing Check-in Behavior of Event Attendees. - Akitoshi Okumura; Susumu Handa; Takamichi Hoshino; Naoki Tokunaga; Masami Kanda (JSAI, 2019)

Improving Face Recognition for Identity Verification by Managing Facial Directions and Eye Contact of Event Attendees. - Akitoshi Okumura; Susumu Handa; Takamichi Hoshino; Naoki Tokunaga; Masami Kanda (J. Inf. Process., 2020)