Longgang Xiang

According to our database, Longgang Xiang authored at least 26 papers between 2003 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2025

Automatic Extraction of Roads From Multisource Geospatial Data Using Fusion Attention Network and Regularization Algorithm.

Zejiao Wang, Longgang Xiang, Zhongyu Liu, Zhengxiang Wang

IEEE Trans. Geosci. Remote. Sens., 2025

2024

Dynamic heatmap pyramid computation for massive high-parallel spatial streaming in urban environments.

Qi Xu, Longgang Xiang, Huayi Wu, Chuang Tao, Haocheng Wang, Liebing Yu, Quan Liu, Xumei Wang

Int. J. Digit. Earth, December, 2024

RTGDC: a real-time ingestion and processing approach in geospatial data cube for digital twin of earth.

Ruixiang Liu, Peng Yue, Boyi Shangguan, Jianya Gong, Longgang Xiang, Binbin Lu

Int. J. Digit. Earth, December, 2024

Learning Universal Trajectory Representation via a Siamese Geography-Aware Transformer.

Chenhao Wu, Longgang Xiang, Libiao Chen, Qingcen Zhong, Xiongwei Wu

ISPRS Int. J. Geo Inf., February, 2024

Differences in Urban Development in China from the Perspective of Point of Interest Spatial Co-Occurrence Patterns.

Guangsheng Dong, Rui Li, Fa Li, Zhaohui Liu, Huayi Wu, Longgang Xiang, Wensen Yu, Jie Jiang, Hongping Zhang, Fangning Li

ISPRS Int. J. Geo Inf., January, 2024

Indoor mobility data encoding with TSTM-in: A topological-semantic trajectory model.

Jianxin Qin, Lu Wang, Tao Wu, Ye Li, Longgang Xiang, Yuanyuan Zhu

Comput. Environ. Urban Syst., 2024

2023

Urban Road Lane Number Mining from Low-Frequency Floating Car Data Based on Deep Learning.

Xiaolong Li, Yun Zhang, Longgang Xiang, Tao Wu

ISPRS Int. J. Geo Inf., November, 2023

Detecting Turning Relationships and Time Restrictions of OSM Road Intersections from Crowdsourced Trajectories.

Xin Chen, Longgang Xiang, Fengwei Jiao, Huayi Wu

ISPRS Int. J. Geo Inf., September, 2023

2022

Spatio-temporal neural network for taxi demand prediction using multisource urban data.

Chenhao Wu, Longgang Xiang, Jialin Yan, Yeting Zhang

Trans. GIS, 2022

A topological model of trajectories with road network space.

Tao Wu, Yuanyuan Zhu, Longgang Xiang, Jianxin Qin, Yiliang Wan

Trans. GIS, 2022

Incremental Road Network Update Method with Trajectory Data and UAV Remote Sensing Imagery.

Jianxin Qin, Wenjie Yang, Tao Wu, Bin He, Longgang Xiang

ISPRS Int. J. Geo Inf., 2022

2021

A Guided Deep Learning Approach for Joint Road Extraction and Intersection Detection From RS Images and Taxi Trajectories.

Yali Li, Longgang Xiang, Caili Zhang, Fengwei Jiao, Chenhao Wu

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2021

Generating Road Networks for Old Downtown Areas Based on Crowd-Sourced Vehicle Trajectories.

Caili Zhang, Yali Li, Longgang Xiang, Fengwei Jiao, Chenhao Wu, Siyu Li

Sensors, 2021

2020

An Improved HMM-Based Approach for Planning Individual Routes Using Crowd Sourcing Spatiotemporal Data.

Tao Wu, Zhixuan Zeng, Jianxin Qin, Longgang Xiang, Yiliang Wan

Sensors, 2020

City-Wide Traffic Flow Forecasting Using a Deep Convolutional Neural Network.

Shangyu Sun, Huayi Wu, Longgang Xiang

Sensors, 2020

A Flood-Discharge-Based Spatio-Temporal Diffusion Method for Multi-Target Traffic Hotness Construction From Trajectory Data.

Tao Wu, Pengfei Zhang, Jianxin Qin, Di Wu, Longgang Xiang, Yiliang Wan

IEEE Access, 2020

2019

An Intersection-First Approach for Road Network Generation from Crowd-Sourced Vehicle Trajectories.

Caili Zhang, Longgang Xiang, Siyu Li, Dehao Wang

ISPRS Int. J. Geo Inf., 2019

Fusing Taxi Trajectories and RS Images to Build Road Map via DCNN.

Yali Li, Longgang Xiang, Caili Zhang, Huayi Wu

IEEE Access, 2019

2017

An intersection-based trajectory-region movement study.

Longgang Xiang, Tao Wu, Dick Ettema

Trans. GIS, 2017

Organizing large-scale trajectories with adaptive Geohash-tree based on secondo database.

Meng Gao, Longgang Xiang, Jianya Gong

Proceedings of the 25th International Conference on Geoinformatics, 2017

2016

A MongoDB-Based Management of Planar Spatial Data with a Flattened R-Tree.

Longgang Xiang, Juntao Huang, Xiaotian Shao, Dehao Wang

ISPRS Int. J. Geo Inf., 2016

Extracting Stops from Noisy Trajectories: A Sequence Oriented Clustering Approach.

Longgang Xiang, Meng Gao, Tao Wu

ISPRS Int. J. Geo Inf., 2016

Updating Road Networks by Local Renewal from GPS Trajectories.

Tao Wu, Longgang Xiang, Jianya Gong

ISPRS Int. J. Geo Inf., 2016

2013

Fast Construction of Global Pyramids for Very Large Satellite Images.

Longgang Xiang, Jing Chen, Jianya Gong, Zhen Zeng

Trans. GIS, 2013

2004

Fast Computation of Iceberg Dwarf.

Longgang Xiang, Yucai Feng

Proceedings of the 16th International Conference on Scientific and Statistical Database Management (SSDBM 2004), 2004

2003

Computation of Sparse Data Cubes with Constraints.

Changqing Chen, Jianlin Feng, Longgang Xiang

Proceedings of the Data Warehousing and Knowledge Discovery, 5th International Conference, 2003