Development of a concept model of a robotic information home appliance, ApriAlpha. - Takashi Yoshimi; Nobuto Matsuhira; Kaoru Suzuki; Daisuke Yamamoto; Fumio Ozaki; Junko Hirokawa; Hideki Ogawa (IROS, 2004)

New Entropy-Based Adaptive Particle Filter for Mobile Robot Localization. - Guanghui Cen; Nobuto Matsuhira; Junko Hirokawa; Hideki Ogawa; Ichiro Hagiwara (Adv. Robotics, 2009)