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The Synergy Between Remote Sensing and Social Sensing in Urban Studies: Review and perspectives
IEEE Geoscience and Remote Sensing Magazine ( IF 14.6 ) Pub Date : 2024-01-04 , DOI: 10.1109/mgrs.2023.3343968
Xiaoyue Xing 1 , Bailang Yu 2 , Chaogui Kang 3 , Bo Huang 4 , Jianya Gong 5 , Yu Liu 1
Affiliation  

Urban studies require a rich set of information sources and techniques that enable a comprehensive depiction of urban environments. Remote sensing captures physical characteristics of urban landscapes, while social sensing collects data from social media and digital devices to reflect human activities. The combination of remote sensing and social sensing has been employed to investigate urban environments, urban dynamics, and the well-being of city residents. This review explores leading ideas and methodologies of the synergy between remote sensing and social sensing in a broad context of urban studies. The synergy involves leveraging the benefits of remote sensing and social sensing to gain a deeper understanding of urban characteristics than can be acquired through any single sensing approach. Two types of synergy are identified, namely, “transfer-based synergy” and “integration-based synergy.” The former transfers ideas and techniques between remote sensing and social sensing based on their similarity. The latter integrates these sensing ways based on their complementary advantages. The motivations and methods are summarized to show how such synergy is suited for investigating the complex nature of urban systems. Typical applications of the synergy include land use and functional zone mapping, special land use identification, estimation of natural and socioeconomic elements, and emergency response. We also identify data quality issues, refinement of methodologies, and expansion of applications that still pose challenges and are worth future research. This review lays a foundation for synergizing remote sensing and social sensing, offering researchers guidance to reexamine and reconceptualize the city from multiple sensing perspectives.

中文翻译:

遥感与社会感知在城市研究中的协同作用:回顾与展望

城市研究需要一套丰富的信息源和技术来全面描述城市环境。遥感捕获城市景观的物理特征,而社会感测则从社交媒体和数字设备收集数据以反映人类活动。遥感和社会传感的结合已被用来调查城市环境、城市动态和城市居民的福祉。本综述探讨了在城市研究的广泛背景下遥感和社会感知之间协同作用的领先思想和方法。这种协同作用涉及利用遥感和社会传感的优势,比通过任何单一传感方法更深入地了解城市特征。确定了两种类型的协同作用,即“基于转移的协同作用”和“基于整合的协同作用”。前者基于遥感和社会感知的相似性在两者之间转移思想和技术。后者将这些传感方式基于其优势互补进行整合。总结了动机和方法,以展示这种协同作用如何适合研究城市系统的复杂性质。协同作用的典型应用包括土地利用和功能区测绘、特殊土地利用识别、自然和社会经济要素估计以及应急响应。我们还确定了仍然构成挑战且值得未来研究的数据质量问题、方法的完善和应用程序的扩展。该综述为遥感和社会感知的协同奠定了基础,为研究人员从多个感知角度重新审视和重新概念化城市提供了指导。
更新日期:2024-01-04
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