Construction of a Pre-frailty Detection System based on Walking Speed and Heat Maps using PIR Sensors. - Tomihiro Utsumi; Masashi Hashimoto (WF-IoT, 2022)

A Development of an Early Detection System of Pre-frailty in Senior Citizens Living Inside. - Tomihiro Utsumi; Masashi Hashimoto (IMCOM, 2023)

Adaptable Data-Driven Geofences for Notifying Points of Interest Using Tourists' GPS Trajectories. - Iori Sasaki; Masatoshi Arikawa; Min Lu 003; Ryo Sato; Tomihiro Utsumi (LocalRec@SIGSPATIAL, 2023)

Space-Division-Based Pseudo-Occlusion in 3D Trajectory Data Visualization for Indoor AR Navigation. - Yuhan Jin; Xiangling Peng; Kohei Oba; Masatoshi Arikawa; Min Lu 003; Tomihiro Utsumi; Ryo Sato (BDIOT, 2024)

Directional Progress Indicator for Visualizing Off-Screen Point-of-Interest in Handheld Augmented Reality. - Ren Kurosaki; Masatoshi Arikawa; Ryoo Fujiwara; Iori Sasaki; Min Lu 003; Tomihiro Utsumi; Ryo Sato (BDIOT, 2024)

Generative Live Commentaries Interacting with Geospatial Context for Promoting Local Festivals. - Iori Sasaki; Masatoshi Arikawa; Min Lu 003; Tomihiro Utsumi; Ryo Sato (BDIOT, 2024)

Geofence-to-Conversation: Hierarchical Geofencing for Augmenting City Walks with Large Language Models. - Iori Sasaki; Masatoshi Arikawa; Min Lu 003; Tomihiro Utsumi; Ryo Sato (MobileHCI (Companion), 2024)

Data-Driven Geofencing Design for Point-of-Interest Notifiers Utilizing Genetic Algorithm. - Iori Sasaki; Masatoshi Arikawa; Min Lu 003; Tomihiro Utsumi; Ryo Sato (ISPRS Int. J. Geo Inf., 2024)

Hierarchical geofencing for location-aware generative audio tours. - Iori Sasaki; Masatoshi Arikawa; Min Lu 003; Tomihiro Utsumi; Ryo Sato (Urban Inform., 2024)