An interactive method for color scheme considering difference of luminance. - Keiko Yamashita; Takashi Mikamo; Kaoru Arakawa; Hiroshi Harashima (ISPACS, 2013)

Interactive color scheme method for visually handicapped people considering design property. - Keiko Yamashita; Kaoru Arakawa (ISPACS, 2015)

A Color Scheme Method by Interactive Evolutionary Computing Considering Contrast of Luminance and Design Property. - Keiko Yamashita; Kaoru Arakawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2016)

Use of in-Hospital Geomagnetic Fingerprinting Localization. - Keiko Yamashita; Shintaro Oyama; Tomohiro Otani; Satoshi Yamashita; Taiki Furukawa; Daisuke Kobayashi; Kikue Sato; Aki Sugano; Chiaki Funada; Kensaku Mori; Yoshimune Shiratori (MedInfo, 2019)

Hand hygiene monitoring by positioning technology utilizing IoT devices. - Keiko Yamashita; Shintaro Oyama; Satoshi Yamashita; Chiaki Funada; Kikue Sato; Taiki Furukawa; Aki Sugano; Daisuke Kobayashi; Hiroshi Tomozawa; Yuji Sakamoto; Yoshinori Ideno; Kensaku Mori; et al. (AMIA, 2021)

Smart hospital infrastructure: geomagnetic in-hospital medical worker tracking. - Keiko Yamashita; Shintaro Oyama; Tomohiro Otani; Satoshi Yamashita; Taiki Furukawa; Daisuke Kobayashi; Kikue Sato; Aki Sugano; Chiaki Funada; Kensaku Mori; Naoki Ishiguro; Yoshimune Shiratori (J. Am. Medical Informatics Assoc., 2021)

Preventing Employee Absenteeism in Healthcare Settings with Bias-less Estimation of Personality Traits Based on Color Psychological Preferences. - Shintaro Oyama; Keiko Yamashita (AMIA, 2022)

Nursing behavior recognition and presenteeism risk analysis using IoT sensing technology. - Keiko Yamashita; Shintaro Oyama; Teruhiko Suzuki; Yuji Sakamoto; Yoshinori Ideno; Satoshi Yamashita; Satomi Akagawa; Akiko Fujii; Kensaku Mori; Yoshimune Shiratori (AMIA, 2022)