測量・リモートセンシング (3)

[IV-21] The development of tree management method along the railway by imaging technology

*Hiroki Kanaya¹, Kazuyuki Ando¹, Kunihiko Yoshino² (1. Central Japan Railway Company, 2. University of Tokyo)

Keywords:Aerial photo, Tree activity, Green-Red Vegetation Index, Digital Surface Model, Height of trees, Vegetation judgment