GIScience research challenges for realizing discrete global grid systems as a Digital Earth

M Hojati, C Robertson, S Roberts, C Chaudhuri - Big Earth Data, 2022 - Taylor & Francis
Increasing data resources are available for documenting and detecting changes in
environmental, ecological, and socioeconomic processes. Currently, data are distributed …

Geosot-based spatiotemporal index of massive trajectory data

C Qian, C Yi, C Cheng, G Pu, X Wei… - … International Journal of …, 2019 - mdpi.com
With the rapid development of global positioning technologies and the pervasiveness of
intelligent mobile terminals, trajectory data have shown a sharp growth trend both in terms of …

STGI: a spatio-temporal grid index model for marine big data

T Qu, L Wang, J Yu, J Yan, G Xu, M Li, C Cheng… - Big Earth …, 2020 - Taylor & Francis
Marine big data are characterized by a large amount and complex structures, which bring
great challenges to data management and retrieval. Based on the GeoSOT Grid Code and …

Onboard Data Management Approach Based on a Discrete Grid System for Multi-UAV Cooperative Image Localization

Y Lei, X Tong, C Qiu, Y Sun, J Tang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Onboard image data management and sharing are the foundations for achieving
cooperative data processing and analysis in multiple unmanned aerial vehicles (multi …

A low-altitude public air route network for UAV management constructed by global subdivision grids

W Zhai, B Han, D Li, J Duan, C Cheng - Plos one, 2021 - journals.plos.org
With an increasing number of unmanned aerial vehicles (UAVs), the difficulty of UAV
management becomes more challenging, especially for low-altitude airspace due to …

A precise urban component management method based on the GeoSOT grid code and BIM

H Zhang, C Cheng, S Miao - ISPRS International Journal of Geo …, 2019 - mdpi.com
Currently, the rapid development of cities and the rapid increase in urban populations have
led to a sharp increase in urban components, making precise urban component …

Method for managing and querying geo-spatial data using a grid-code-array spatial index

S Li, G Pu, C Cheng, B Chen - Earth Science Informatics, 2019 - Springer
As geospatial data is increasingly massive and complex, large data volume and rich data
source query retrieval are among the urgent issues in need of resolution. Spatial indices are …

Collision detection for UAVs based on GeoSOT-3D grids

W Zhai, X Tong, S Miao, C Cheng, F Ren - ISPRS international journal of …, 2019 - mdpi.com
The increasing number of unmanned aerial vehicles (UAVs) has led to challenges related to
solving the collision problem to ensure air traffic safety. The traditional approaches …

Calculation and Expression of the Urban Heat Island Indices Based on GeoSOT Grid

J Jiang, Y Zhou, X Guo, T Qu - Sustainability, 2022 - mdpi.com
The urban heat island (UHI) effect accelerates the accumulation of atmospheric pollutants,
which has a strong impact on the climate of cities, circulation of material, and health of …

An improved tile-based scalable distributed management model of massive high-resolution satellite images

Y Hajjaji, W Boulila, IR Farah - Procedia Computer Science, 2021 - Elsevier
The amount of remote sensing (RS) data has increased at an unexpected scale, due to the
rapid progress of earth-observation and the growth of satellite RS and sensor technologies …