@InProceedings{MasahikoItoh:2017,
  author = {Masahiko Itoh, Daisaku Yokoyama, Masashi Toyoda, and Masaru Kitsuregawa},
  title = {Optimal Viewpoint Finding for 3D Visualization of Spatio-Temporal Vehicle Trajectories on Caution Crossroads},
  booktitle = {the IEEE Big Spatial Data Workshop (BSD) 2017 (Workshop on IEEE BigData 2017)},
  year      = {2017},
  address   = {Boston},
  pages     = {pp.3344-3352},
}