Traffic collisions in space: four decades of advancement in applied GIS

S Yao, BPY Loo, BZ Yang - Annals of GIS, 2016 - Taylor & Francis
Traffic collision analysis is essential for reducing traffic injuries. While most traditional
approaches focus on the time dimension of traffic collisions, the recent past has witnessed a …

[HTML][HTML] NPP-VIIRS DNB daily data in natural disaster assessment: Evidence from selected case studies

X Zhao, B Yu, Y Liu, S Yao, T Lian, L Chen, C Yang… - Remote Sensing, 2018 - mdpi.com
Whereas monthly and annual nighttime light (NTL) composite datasets are being
increasingly used to estimate socioeconomic status, use of the National Polar-orbiting …

Urban sprawl and fiscal stress: Evidence from urbanizing China

Y Yan, T Liu, N Wang, S Yao - Cities, 2022 - Elsevier
Sprawl not only has a direct negative impact on the health of urban society and ecology but
may also damage the financial foundation of urban development. Using city-level panel data …

Integration of nighttime light remote sensing images and taxi GPS tracking data for population surface enhancement

B Yu, T Lian, Y Huang, S Yao, X Ye… - International Journal …, 2019 - Taylor & Francis
The population distribution grid at fine scales better reflects the distribution of residents and
plays an important role in investigating urban systems. The recent years have witnessed a …

[HTML][HTML] A graph-based approach for 3D building model reconstruction from airborne LiDAR point clouds

B Wu, B Yu, Q Wu, S Yao, F Zhao, W Mao, J Wu - Remote Sensing, 2017 - mdpi.com
3D building model reconstruction is of great importance for environmental and urban
applications. Airborne light detection and ranging (LiDAR) is a very useful data source for …

Spatial point analysis of road crashes in Shanghai: A GIS-based network kernel density method

BPY Loo, S Yao, J Wu - 2011 19th international conference on …, 2011 - ieeexplore.ieee.org
As road crashes are constrained to a one-dimensional space, this paper analyzes the
spatial distribution of road crashes with a GIS-based network-constrained kernel density …

Measures of activity-based pedestrian exposure to the risk of vehicle-pedestrian collisions: Space-time path vs. potential path tree methods

S Yao, BPY Loo, WWY Lam - Accident Analysis & Prevention, 2015 - Elsevier
Research on the extent to which pedestrians are exposed to road collision risk is important
to the improvement of pedestrian safety. As precise geographical information is often difficult …

An extended minimum spanning tree method for characterizing local urban patterns

B Wu, B Yu, Q Wu, Z Chen, S Yao… - International Journal of …, 2018 - Taylor & Francis
Detailed and precise information on urban building patterns is essential for urban design,
landscape evaluation, social analyses and urban environmental studies. Although a broad …

Pedestrian exposure measures: A time-space framework

WWY Lam, S Yao, BPY Loo - Travel behaviour and society, 2014 - Elsevier
Modeling pedestrian-vehicle crashes is a spatially complex and temporally dynamic
process. Examining the probability of and degree to which pedestrians are exposed to …

[HTML][HTML] Pre-evacuation time estimation based emergency evacuation simulation in urban residential communities

J Chen, J Yu, J Wen, C Zhang, Z Yin, J Wu… - International journal of …, 2019 - mdpi.com
The timely and secure evacuation of an urban residential community is crucial to residents'
safety when emergency events happen. This is different to evacuation of office spaces or …