*Hironori Tashiro¹, JING ZHANG², Naoya Wada³, Kazuto Sazawa², Kazuhiro Toyama⁴ (1.Graduate School of Science and Engineering for Education, University of Toyama, 2.Graduate School of Science and Engineering for Research, University of Toyama, 3.Center for far Eastern Studies, University of Toyama, 4.Information Technology Center, University of Toyama)