arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1608.06949cs.CYcs.GRcs.SIphysics.data-anphysics.soc-ph
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城市脉搏:捕捉城市的节奏

Urban Pulse: Capturing the Rhythm of Cities

Fabio Miranda, Harish Doraiswamy, Marcos Lage, Kai Zhao, Bruno Gonçalves, Luc Wilson, Mondrian Hsieh, Cláudio T. Silva

摘要:

城市本身就是动态的。有趣的行为模式通常在多个时间分辨率上表现在城市的几个关键区域。研究这些模式可以极大地帮助各种专家,从城市规划师和建筑师到人类行为专家。最近的技术创新使大量的数据,可以帮助这些研究的收集。然而,使用这些数据集的技术通常侧重于在城市的背景下理解数据,从而无法捕捉城市的动态方面。这项工作的目标是在多个城市数据集的背景下了解城市。要做到这一点,我们定义了一个“城市脉冲”的概念,它捕捉了在一个城市的时空活动在多个时间分辨率。城市中的突出脉冲是使用数据集的拓扑结构获得的,并且被表征为一组节拍。然后,这些节拍被用来分析和比较不同的脉搏。我们还设计了一个视觉探索框架,允许用户在不同条件下探索多个城市内和跨城市的脉搏。最后,我们提出了三个案例研究,由来自两个不同领域的专家,证明了我们的框架的实用性。

英文摘要:

Cities are inherently dynamic. Interesting patterns of behavior typically manifest at several key areas of a city over multiple temporal resolutions. Studying these patterns can greatly help a variety of experts ranging from city planners and architects to human behavioral experts. Recent technological innovations have enabled the collection of enormous amounts of data that can help in these studies. However, techniques using these data sets typically focus on understanding the data in the context of the city, thus failing to capture the dynamic aspects of the city. The goal of this work is to instead understand the city in the context of multiple urban data sets. To do so, we define the concept of an "urban pulse" which captures the spatio-temporal activity in a city across multiple temporal resolutions. The prominent pulses in a city are obtained using the topology of the data sets, and are characterized as a set of beats. The beats are then used to analyze and compare different pulses. We also design a visual exploration framework that allows users to explore the pulses within and across multiple cities under different conditions. Finally, we present three case studies carried out by experts from two different domains that demonstrate the utility of our framework.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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