Yuanhui CAO, Jiping LIU, Yong WANG, Liangjie WANG, Wenzhou WU, Fenzhen SU. A Study on the Method for Functional Classification of Urban Buildings by Using POI Data [J]. Journal of Geo-information Science, 2020, 22(6): 1339
- Journal of Geo-information Science
- Vol. 22, Issue 6, 1339 (2020)
Fig. 1. Inverse distance weight function graph
Fig. 2. POI, AOI, road and building data of the study area near the South Shawo bridge in Beijing in 2019
Fig. 3. Category map between POIs and buildings
Fig. 4. Spatial distribution of three types of POIs in the study area
Fig. 5. Space units formed by dividing the study area with roads and AOIs
Fig. 6. Functional classification results of 5552 buildings in the area near the South Shawo Bridge in Beijing in 2019 and the spatial distribution of three major types of buildings
Fig. 7. Functional classification results of buildings and blocks in the study area using the traditional frequency density ratio method
Fig. 8. Comparison of building functional classification results of some blocks in the study area with Baidu map
Fig. 9. The relationship between POI density and building function recognition rate and classification accuracy
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Table 1. Automatic classification error matrix of building functions compared with manual classification results
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