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Estimating Sectional Volume of Travelers Based on Mobile Phone Data
| 题名： | Estimating Sectional Volume of Travelers Based on Mobile Phone Data |
| 正文语种： | 英文 |
| 作者： | Zhichen Liu; Xiao Fu; Yang Liu; Weiping Tong; Zhiyuan Liu |
| 作者单位： | Southeast Univ. |
| 摘要： | The sectional volume of travelers refers to the number of travelers crossing a section boundary (e.g., river, mountain, railway line, etc.) within a certain time period. Mobile phone data provides continuous and large-scale mobility pattern information without compromising the comprehensiveness of travel modes. We propose a three-stage framework to estimate the sectional volume of travelers using the base station trajectory from massive mobile phone data. In the first two stages, the spatial and temporal uncertainties of trajectories are explicitly addressed by a hybrid filtering algorithm and a cell-to-cell trajectory inference algorithm, respectively. In the third stage, the sectional volume of travelers is estimated using aggregated trajectories. The proposed framework is validated using a sampled dataset with annotated ground truth and a city-scale dataset. The results show that the proposed framework is effective in dealing with spatial and temporal uncertainties of trajectories. The sectional volume estimation method performs stably with a low average error rate and is applicable to section boundaries of different scales. |
| 出版日期： | 2020.10 |
| 出版年： | 2020 |
| 期刊名称： | Journal of Transportation Engineering |
| 卷： | Vol.146 |
| 期： | No.10 |
| 页码： | 04020110 |
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