ARTTag: aesthetic fiducial markers based on circle pairs. - Shinichi Higashino; Sakiko Nishi; Ryuuki Sakamoto (SIGGRAPH Posters, 2016)

SCAN: Indoor Navigation Interface on a User-Scanned Indoor Map. - Kenji Suzuki; Daisuke Sakamoto; Sakiko Nishi; Tetsuo Ono (MobileHCI, 2019)