@article{oai:u-ryukyu.repo.nii.ac.jp:02001978, author = {國吉, 剛司 and 陳, 延偉 and 仲尾, 善勝 and Kuniyoshi, Takeshi and Chen, Yen-Wei and Nakao, Zensho}, issue = {58}, journal = {琉球大学工学部紀要}, note = {Geographic Information System (GIS) is an integration information system, Which is composed of map data and its information. The key point is to digitize the map data. In this paper, we propose some new ideas for digitizing the map data. It has been shown that the quality of the digitized map data is significantly improved by the proposed methods., 紀要論文}, pages = {95--98}, title = {琉球大学地理情報システムの開発2 : 地図データの数値化} }