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《Acta Geodaetica et Cartographica Sinica》 2017-01
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An Incremental Updating Method for Land Cover Database Using Refined 2-dimensional Intersection Type

ZHOU Xiaoguang;WANG Hongsong;WU Zhiqiang;School of Geosciences and Info-Physics,Central South University;  
In order to incremental updating the land cover database using the change-only information from imagery change detection methods,an vector change-only information model is designed to represent the spatial and attribute information after change,and an automatic incremental updating method for land cover database based on refined 2-dimensional intersection type is presented.As the differentiation and identification of 2-dimensional intersection type between new updates and existing objects is one of the first steps in the automatic incremental updating process for a land cover database,the 14 refined 2-dimensional intersection types are distinguished by the E-WID topological hierarchical model.Then according to the 14 refined 2-dimensional intersection types,9automatic updating rules for land cover database are presented.An automatic incremental updating for land cover database prototype system is developed.The effectiveness of the models and rules was verified using real data.The results of this study represent a new avenue for automatic spatial data handling in incremental updating processes.
【Fund】: 国家自然科学基金(41371366);; 十三五国家重点研发计划(2016YFB0501403)~~
【CateGory Index】: P208
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