Mobile phone data analysis: A spatial exploration toward hotspot detection

M Ghahramani, MC Zhou… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
The percentage of processed large-scale heterogeneous data is exploding and technology
is the most obvious reason for the big data issue. Nowadays, the results of data expansion …

[PDF][PDF] 多模态地理大数据时空分析方法

邓敏, 蔡建南, 杨文涛, 唐建波, 杨学习, 刘启亮… - 地球信息科学 …, 2020 - researching.cn
多模态地理大数据时空分析旨在融合地理大数据的多模态信息发现有价值的时空分布规律,
异常表现, 关联模式与变化趋势, 是全空间信息系统的核心研究内容, 并有望成为推进地理学人地 …

An adaptive detection of multilevel co-location patterns based on natural neighborhoods

Q Liu, W Liu, M Deng, J Cai, Y Liu - International Journal of …, 2021 - Taylor & Francis
Multilevel co-location patterns embedded in spatial datasets are difficult to discern due to the
complexity of neighboring relationships among spatial features. The neighboring …

Discovering regions of anomalous spatial co-locations

J Cai, M Deng, Y Guo, Y Xie… - International Journal of …, 2021 - Taylor & Francis
Regions of anomalous spatial co-locations (ROASCs) are regions where co-locations
between two different features are significantly stronger or weaker than expected. ROASC …

CutESC: Cutting edge spatial clustering technique based on proximity graphs

A Aksaç, T Özyer, R Alhajj - Pattern Recognition, 2019 - Elsevier
In this paper, we propose a cut-edge algorithm for spatial clustering (CutESC) based on
proximity graphs. The CutESC algorithm removes edges when a cut-edge value for the …

A clipping algorithm for real-scene 3D models

J Chen, X Liu, B Wang, J Lu - International Journal of Digital Earth, 2023 - Taylor & Francis
The development of unmanned aerial vehicle (UAV) oblique photogrammetric technology
provides a good foundation for the rapid construction of large-scale and high-definition real …

A dual spatial clustering method in the presence of heterogeneity and noise

J Zhu, J Zheng, S Di, S Wang, J Yang - Transactions in GIS, 2020 - Wiley Online Library
The detection of spatial clusters, taking into account both spatial proximity and attribute
similarity, plays a vital role in spatial data analysis. Although several dual clustering methods …

A graph-based approach for detecting spatial cross-outliers from two types of spatial point events

Y Shi, J Gong, M Deng, X Yang, F Xu - Computers, Environment and Urban …, 2018 - Elsevier
Spatial point events are a series of point entities with location information (eg, longitude and
latitude) that describe geographical events, such as crime events. The detection of outliers …

An interpolation method for the floor elevation of coal seams based on a local anisotropy radial basis function

Z Hao, Q Wu, Y Zhao, Z Du, Y Yao, H Xu… - Environmental Earth …, 2021 - Springer
The elevation interpolation of coal seam floors is an indispensable geological work to the
production of coal mines. In this study, an improved radial basis function (RBF) interpolation …

A framework for discovering evolving domain related spatio-temporal patterns in Twitter

Y Shi, M Deng, X Yang, Q Liu, L Zhao… - … International Journal of …, 2016 - mdpi.com
In massive Twitter datasets, tweets deriving from different domains, eg, civil unrest, can be
extracted to constitute spatio-temporal Twitter events for spatio-temporal distribution pattern …