Detection of half-turn stairs from walking trajectories estimated by pedestrian dead reckoning. - Kosuke Yotsuya; Haruka Iwase; Nobuyuki Ito; Katsuhiro Naito; Naoya Chujo; Tadanori Mizuno; Katsuhiko Kaji (ICMU, 2017)

Method to Improve Accuracy of Indoor PDR Trajectories Using a Large Amount of Trajectories. - Kosuke Yotsuya; Nobuyuki Ito; Katsuhiro Naito; Naoya Chujo; Tadanori Mizuno; Katsuhiko Kaji (ICMU, 2018)

Method to Improve Accuracy of Indoor PDR Trajectories Using a Large Number of Trajectories. - Kosuke Yotsuya; Katsuhiro Naito; Naoya Chujo; Tadanori Mizuno; Katsuhiko Kaji (J. Inf. Process., 2020)