Road-Oriented Geographic Routing Protocol for Urban Vehicular Ad Hoc Networks. - Ryosuke Akamatsu; Keiji Obara; Hiroshi Shigeno (AINA Workshops, 2015)

An Analysis of Road Maps Based on Voronoi Diagram for Vehicular Broadcast. - Ryo Yanagida; Keiji Obara; Koki Ogawa; Hiroshi Shigeno (BWCCA, 2015)

BRNT: Broadcast Protocol with Road Network Topology for Urban Vehicular Ad Hoc Networks. - Keiji Obara; Ryosuke Akamatsu; Hiroshi Shigeno (VTC Fall, 2015)

Low-resolution person recognition using image downsampling. - Keiji Obara; Hiroki Yoshimura; Masashi Nishiyama; Yoshio Iwai (MVA, 2017)