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ISPRS International Journal of Geo-Information, Volume 14, Issue 5

May 2025 - 28 articles

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Cover Story: This study investigates how 3D motion—such as low crawling and climbing up/down—influences evacuation efficiency in indoor environments. Using a simulation method that combines a voxel-based 3D indoor model with an agent-based model, three use cases are examined, reflecting diverse building types, agent numbers, urgency levels, and demographic characteristics. The results indicate that 3D motion may reduce congestion by enabling alternative paths; however, it could also lead to exit bottlenecks under high urgency and density. As urgency and agent numbers increase, differences in the evacuation efficiency between scenarios with and without 3D motion may diminish. The findings suggest the conditional use of 3D motion across different buildings and recommend tailored instructions for diverse demographic groups. View this paper

Articles (28)

  • Article
  • Open Access
781 Views
25 Pages

Grid Partition-Based Dynamic Spatial–Temporal Graph Convolutional Network for Large-Scale Traffic Flow Forecasting

  • Lifeng Gao,
  • Liujia Chen,
  • Agen Qiu,
  • Qinglian Wang,
  • Jianlong Wang,
  • Cai Chen,
  • Fuhao Zhang and
  • Geli Ou’er

Accurate forecasting of city-level large-scale traffic flow is crucial for efficient traffic management and effective transport planning. However, previously proposed traffic flow prediction methods model dynamic spatial correlations across entire tr...

  • Article
  • Open Access
505 Views
17 Pages

Topography–Land Surface Temperature Coupling: A Promising Approach for the Early Identification of Coal Seam Fire Zones

  • Yao Wang,
  • Mao-Sheng Zhang,
  • Chuanbo Yang,
  • Da Luo,
  • Ying Dong,
  • Hao Liu,
  • Xu Zhang,
  • Yuteng Yan and
  • Li Feng

Coal mining provides energy and economic benefits but also causes environmental damage, including land degradation, pollution, and surface temperature anomalies. Underground coal fires can severely impact the environment, leading to abnormal heat, gr...

  • Article
  • Open Access
1,243 Views
18 Pages

Walking to Public Transport: Rethinking Catchment Areas Considering Topography and Surrogate Buffers

  • Filipe Pais,
  • Nuno Sousa,
  • João Monteiro,
  • João Coutinho-Rodrigues and
  • Eduardo Natividade-Jesus

Service, or catchment areas of public transport stops are traditionally assessed using Euclidean or network distances, often neglecting other relevant factors such as topography. This study proposes a refined approach that integrates network-based ac...

  • Article
  • Open Access
1,533 Views
24 Pages

This study investigates residential segregation and housing types in Craiova, Romania, with a particular focus on the disparities shaped by historical and contemporary urban developments. Using collected data from former hostels built for young worke...

  • Article
  • Open Access
644 Views
27 Pages

A Natural Language-Based Automatic Identification System Trajectory Query Approach Using Large Language Models

  • Xuan Guo,
  • Shutong Yu,
  • Jinxue Zhang,
  • Huanyu Bi,
  • Xiaohui Chen and
  • Junnan Liu

The trajectory data collected by an Automatic Identification System (AIS) are an essential resource for various ships, and effective filtering and querying approaches are fundamental for managing these data. Natural language has become the preferred...

  • Article
  • Open Access
1 Citations
727 Views
28 Pages

Residential mobility within cities reflects the spatio-temporal patterns of individual or household relocation behaviors and serves as an effective tool for interpreting urban socio-spatial differentiation from a micro-level perspective. Newly employ...

  • Article
  • Open Access
648 Views
15 Pages

Historical maps contain valuable topographic information, including altimetry in the form of annotated elevation contours. These contours are essential for understanding past terrain configurations, particularly in areas affected by human activities...

  • Article
  • Open Access
5 Citations
1,479 Views
43 Pages

In 21st-century American cities, urban crime remains a critical public safety concern influenced by complex social, political, and environmental structures. Crime is not randomly distributed and built-environment characteristics, such as street netwo...

  • Article
  • Open Access
665 Views
21 Pages

Urbanization, climate change, and the need for sustainable development are critical challenges facing cities worldwide. The United Nations’ Sustainable Development Goal 11 emphasizes the importance of creating inclusive, safe, resilient, and su...

  • Article
  • Open Access
676 Views
20 Pages

This paper presents a methodology for correcting geometric and topological errors, specifically addressing fragmented and disconnected components in buildings (FDCB) in 3D models intended for urban digital twin (UDT). The proposed two-stage approach...

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