基于浮动车数据的车辆时空相遇关系分析

沈敬伟; 张弘弢; 周廷刚

doi:10.3969/j.issn.0258-2724.2015.01.025

基于浮动车数据的车辆时空相遇关系分析

doi: 10.3969/j.issn.0258-2724.2015.01.025

基金项目:

国家自然科学基金资助项目(41301417,41201467)

中央高校基本科研业务费专项资金资助项目(XDJK2013C035)

详细信息

作者简介:
沈敬伟(1984-), 男, 副教授, 博士, 研究方向为浮动车数据分析, 电话:18723167183, E-mail:jingweigis@163.com

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- 被引次数: 0
出版历程
- 收稿日期: 2013-11-24
- 刊出日期: 2015-02-25

Spatio-Temporal Meeting Analysis of Vehicles Based on Floating Car Data

摘要

摘要: 为研究离散时空数据之间的时空关系,以离散的浮动车数据为基础,提出了一种以时空路径为枢纽的车辆时空相遇关系分析方法.采用地图匹配方法对离散的浮动车数据进行空间插值,以获取车辆在空间上连续的轨迹;提出了根据邻接采样点的时间戳和轨迹进行线性插值的方法,以获取邻接采样点之间轨迹上任意一点的时间;以空间关系理论和Allen的时间段逻辑模型为基础,分析了不同时态关系车辆的相遇情况;最后,设计了基于浮动车数据的时空轨迹获取及时空相遇分析实验,并分析了车辆之间的时空相遇关系.实验结果表明:以连续时空轨迹为核心的分析方法,能较好地表达离散时空数据的时空关系.
- 浮动车数据 /
- 车辆轨迹 /
- 地图匹配 /
- 时空相遇
Abstract: In order to investigate the spatial-temporal relationships of discrete spatial-temporal data, spatio-temporal trajectory was taken as a link, and an analysis method for spatio-temporal meeting of vehicles based on FCD (floating car data) was proposed. The map matching method was used to spatially interpolate FCD to attain the continuous trajectories of vehicles. A linear interpolation method based on the timestamp and trajectory of two adjacent sample points was proposed to acquire the timestamp of any point in the trajectory. The spatial meeting relationship of vehicles in different temporal relationships was discussed using the Allen's interval based temporal logic and the spatial relationship theory. Experiments on spatio-temporal trajectory acquirement and spatio-temporal meeting analysis were conducted, and the spatio-temporal meeting relationships of vehicles were discussed. The experiment results show that the proposed spatio-temporal analysis method can solve the spatial-temporal relationships analysis problem of discrete spatial-temporal data.
- floating car data /
- vehicle trajectory /
- map matching /
- spatio-temporal meeting

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参考文献(39)

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文章访问数: 1174
HTML全文浏览量: 71
PDF下载量: 613
被引次数: 0

基于浮动车数据的车辆时空相遇关系分析

doi: 10.3969/j.issn.0258-2724.2015.01.025

作者简介: 沈敬伟(1984-), 男, 副教授, 博士, 研究方向为浮动车数据分析, 电话:18723167183, E-mail:jingweigis@163.com

计量

出版历程

Spatio-Temporal Meeting Analysis of Vehicles Based on Floating Car Data

计量

出版历程

目录

作者简介:
沈敬伟(1984-), 男, 副教授, 博士, 研究方向为浮动车数据分析, 电话:18723167183, E-mail:jingweigis@163.com