A Road Location Estimating Method by Many Trajectories to Realize Rapid Map Survey for a Car Navigation System. - Hiromitsu Sugawara; Nobuyoshi Sato; Tsuyoshi Takayama; Yoshitoshi Murata (BWCCA, 2010)

Early Evaluation of Road Width Estimation on Rapid Road Map Survey System Using GPS Trajectories as Collective Intelligence. - Hiromitsu Sugawara; Nobuyoshi Sato; Tsuyoshi Takayama; Yoshitoshi Murata (NBiS, 2011)