论文信息 - GIS DATABASE REVISION --THE PROBLEMS AND SOLUTIONS

GIS DATABASE REVISION --THE PROBLEMS AND SOLUTIONS

GIS (Geographic Information System) is widely applied in many scientific domains. However, to keep the database “current” is still a “bottle-neck” which obstacles the application and promotion of GIS techniques and products. In this paper, we start with the analysis of why the updating of database is difficult and what kinds of the problems exist in GIS database updating. The problems are analyzed from following three of viewpoints: 1) data sources; 2) automatic object extraction; 3) change detection. The solutions by using automatic interpretation technique and integrated system are then proposed.

Ryosuke Shibasaki | Zhongchao Shi

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