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- W4280556313 abstract "Abstract. Residents’ activities have a significant interaction with urban socioeconomic environment. Taxi trajectory data has been widely used to mine human activity patterns to identify urban functional districts. However, previous studies merely chose several spatiotemporal statistics of taxi pick-up and drop-off points. This paper compares seven time series statistics of taxi pick-up and drop-off points, and selects the best combination to identify urban functional districts. The basic analysis units are not only constructed based on the OpenStreetMap data, but also optimized with the fine-grained clean rasterized pixels, generated from preprocessed taxi trajectory data through the improved head/tail breaks method. The experiment conducted in Wuchang District, Wuhan, shows that the combination of the average statistics of pick-up points, the average statistics of drop-off points, and the ratio statistics of pick-up and drop-off difference achieves the best identification precision of 83.65%, the F1-score of 82.2%, and the recall score of 81.48%. The proposed approach has good scalability and can be transplant to other identification applications." @default.
- W4280556313 created "2022-05-22" @default.
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- W4280556313 date "2022-05-18" @default.
- W4280556313 modified "2023-09-30" @default.
- W4280556313 title "URBAN FUNCTIONAL DISTRICT IDENTIFICATION AND ANALYSIS FROM MULTI-SOURCE DATA" @default.
- W4280556313 doi "https://doi.org/10.5194/isprs-annals-v-4-2022-311-2022" @default.
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