Crowdsourcing Geospatial Data for Earth and Human Observations: A Review
The transformation from authoritative to user-generated data landscapes has garnered
considerable attention, notably with the proliferation of crowdsourced geospatial data …
considerable attention, notably with the proliferation of crowdsourced geospatial data …
Extracting the pickpocketing information implied in the built environment by treating it as the anomalies
The practice of crime risk map**, enabled by the utilization of geospatial big data such as
street view images, has received significant research attention. However, in situations where …
street view images, has received significant research attention. However, in situations where …
Spatial and temporal patterns in volunteer data contribution activities: A case study of eBird
G Zhang - ISPRS International Journal of Geo-Information, 2020 - mdpi.com
Volunteered geographic information (VGI) has great potential to reveal spatial and temporal
dynamics of geographic phenomena. However, a variety of potential biases in VGI are …
dynamics of geographic phenomena. However, a variety of potential biases in VGI are …
Map** China's regional economic activity by integrating points-of-interest and remote sensing data with random forest
Nighttime light imageries are widely used for map** the gross domestic product (GDP)
over large areas. However, nighttime light imagery is inappropriate to disaggregate …
over large areas. However, nighttime light imagery is inappropriate to disaggregate …
The effects of sample size and sample prevalence on cellular automata simulation of urban growth
This study investigates the effects of sample size and sample prevalence on cellular
automata (CA) simulation of urban growth. We take the CA models based on an artificial …
automata (CA) simulation of urban growth. We take the CA models based on an artificial …
[HTML][HTML] Detecting and visualizing observation hot-spots in massive volunteer-contributed geographic data across spatial scales using GPU-accelerated kernel density …
G Zhang - ISPRS International Journal of Geo-Information, 2022 - mdpi.com
Volunteer-contributed geographic data (VGI) is an important source of geospatial big data
that support research and applications. A major concern on VGI data quality is that the …
that support research and applications. A major concern on VGI data quality is that the …
Evaluating the usefulness of VGI from Waze for the reporting of flash floods
Using volunteered geographic information (VGI) to supplement disaster risk management
systems, including forecasting, risk assessment, and disaster recovery, is increasingly …
systems, including forecasting, risk assessment, and disaster recovery, is increasingly …
Simulation of urban expansion using geographical similarity transition rules and neighbourhood sizes
Y Li, Y An, Z Zhou, H Ren, X Tan - Journal of Geographical Sciences, 2024 - Springer
Most existing cellular automata (CA) models impose strict requirements on the number and
spatial distribution of samples. This makes it a challenge to capture spatial heterogeneity in …
spatial distribution of samples. This makes it a challenge to capture spatial heterogeneity in …
Simultaneous extraction of spatial and attributional building information across large-scale urban landscapes from high-resolution satellite imagery
Understanding urban dynamics requires comprehensive building analysis, yet current
methods focusing on specific aspects hinder the production of unified and large-scale …
methods focusing on specific aspects hinder the production of unified and large-scale …
Urban high‐quality navigation path planning that integrates human emotion perception learning
S Liu, Y Long, L Zhang, Y Huang - Transactions in GIS, 2023 - Wiley Online Library
Geographic information system navigation services are now incorporating psychological
well‐being as a factor when devising navigation routes. However, challenges such as …
well‐being as a factor when devising navigation routes. However, challenges such as …