Remote estimation of crown size and tree density in snowy areas
Rinako Kishi1, Azuki Ito1, Koki Kamada1, Tomoki Fukita1, Lucy Lahrita2, Youhei Kawase2, Kuriki Murahashi3, Hiroshi Kawamata4, Nobuyasu Naruse4,5 and Yukihiro Takahashi3,6, (1)Hokkaido University, Global Science Campus, Sapporo, Japan, (2)Hokkaido University, Graduate School of Agriculture, Sapporo, Japan, (3)Hokkaido University, Graduate School of Science, Sapporo, Japan, (4)Hokkaido University, Global Science Campus and Institute for the Advancement of Higher Education, Sapporo, Japan, (5)Shiga University of Medical Science, Otsu, Japan, (6)Hokkaido University, Sapporo, Japan