The methods and key technologies of spatial database updating is an advanced international academic topic in recent years. This paper introduces the major progress on the project of the model and method of GIS spatial database updating which is supported by the National Natural Science Foundation of China, including automatic registration of multi resource remote sensed imageries and digitized maps, change detection and extraction of key geo- spatial features in GIS environment, the incremental data modeling of master databases, and updating of client databases, etc

GIS数据库更新模型与方法研究进展.pdf

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