15:30 〜 16:30
○Hiroshi Une1, Takayuki Nakano1, Satoshi Fujiwara1, Tomokazu Kobayashi1, Yu Morishita1, Kazumi Iwata1, Hiroshi, P. Sato2, Hiroshi Yagi3 (1.Geospatial Information Authority of Japan, Tsukuba, Japan, 2.Nihon University, Tokyo, Japan, 3.Yamagata University, Yamagata, Japan)