09:00-09:30

Opening Ceremony

Chair: Jie Jiang, Secretary General of ISPRS

Venue: Student Activity Center

1. Welcome Addresses

l Zhaohui Chen, Vice President of Beijing University of Civil   Engineering and Architecture

l Nicolas Paparoditis, Vice President of International Society for Photogrammetry and Remote Sensing

l Qin Yan, Vice President of International Federation of   Surveyors

2.  Introduction of ISPRS 2026 Congress, Songnian Li, Toronto Metropolitan University, Canada

3. Group Photo

09:30-10:00

Coffee   Break

10:00-12:00

Keynote Session

Chair: Hao Wu, Secretary of ISPRS TC IV,   National Geomatics Center of China

Xianglei Liu, Dean, School of Geomatics and Urban Spatial Informatics, Beijing University of Civil Engineering and Architecture

Venue: Student Activity Center

1. Global Geospatial Public Goods: Co-development and Collaborative Services, Jun Chen, National Geomatics Center of China and Moganshan Geospatial Information Laboratory, China

2. Trends in topographic mapping for the perspective of a National Mapping Agency, Nicolas Paparoditis, Institut Géographique National, France

3. The vision and implementation of spatial digital twins in Australia, Sisi Zlatanova, University of New South Wales, Australia

4. Remote sensing and machine learning for urban air quality and heat island monitoring, Maria Brovelli,   Politecnico di Milano, Italy

12:00-13:30

Lunch   (Cafeteria)

13:30-15:00

Panel Session 1: Intelligent   Geospatial Modelling

Chair: Songnian Li, Toronto Metropolitan   University, Canada

            Shisong Cao, Beijing University of Civil Engineering and Architecture

Venue: Room 505, Lab. Building No.2

· Hybrid intelligence for geospatial science, Zhilin Li, Moganshan Geospatial Laboratory and Southwest Jiaotong University, China

· Artificial intelligence empowers spatiotemporal intelligence, Qiang Zhu, Zhejiang University, China

· AI-empowered urban human mobility by spatiotemporal multimodal data, Wei Huang, Tongji University, China

Panel Discussion

This short panel discussion will focus on exploring the challenges facing intelligent geospatial modeling in terms of the ever-expanding deluge of data, the complexities of integrating artificial intelligence, and the persistent need for robust data management and security and engage in dialogue with each other and the audience.

13:30-15:00

Panel Session 2: Planetary,   Marine, Underground Modelling

Chair: Sisi Zlatanova, University of New   South Wales, Australia

Qiang Chen,   Beijing University of Civil Engineering and Architecture

Venue: Lecture Hall 2

· Applications of 3D real scene in lunar and planetary exploration, Zhizhong Kang, China University of Geosciences, China

· Multi-dimensional modelling of the deep-sea lost city hydrothermal field using high-resolution 3D reconstruction from HOV data and SfM techniques, Miao Fan, National Marine Data and Information Service, China

· Depth estimation from thermal infrared imagery for 3D mapping in underground tunneling scenarios: dataset, methods and practices, Zhihua Xu, China University of Mining and Technology-Beijing,   China

Panel Discussion

This short panel discussion will focus on exploring the challenges facing planetary, marine, or underground modelling in terms of data scarcity, environmental   complexity, and the intricate physics governing these domains and engage in   dialogue with each other and the audience.

15:00-15:30

Coffee   Break

15:30-17:00

Technical Session 1: Advances in   3D Modelling

Chair: Maria Brovelli, Politecnico di Milano, Italy

Xian Guo,   Beijing University of Civil Engineering and Architecture

Venue: Room 505, Lab. Building No.2

· 3D reconstruction via depth and normal priors guided 3D Gaussian Splatting, Jiaxun Jiang, Qingdong Wang, Li Zhang, Chinese Academy of Surveying and Mapping

· A multi-scale 3D terrain modeling and   visualization method for radiating tidal sand ridges based on DEM, Zhiming Wan, Xinyu Huang, Yuan Ding, School of Earth Sciences and  Engineering Hohai University

· Automatic detection of mining subsidence using InSAR and YOLO v11 model, Lei Chen, Jianyu Wang, Ning   Wang, Siao Liu, Hongwei Li, Ye Tian, Satellite Communications Branch, China Telecom Co. Ltd.

· Remote sensing for typhoon flood   economic loss assessment: current state and digital twin prospects, Wei   Jing, Denghua Yan, Jie Liu, Qiang He, Ming Liu, Zhiguo Pang, Rong Li, Yizi   Shang, Akiyuki Kawasaki, China Institute of Water Resources and Hydropower   Research

· Construction and updating technology for a spatiotemporal evolution knowledge graph of geographic entities: using national fundamental geographic entity data in China as study case, Shiquan   Zhao, Jianjun   Liu, Jianwei Liu, Yin Gao, Bianli Zhao, Hao Li, Jian Che, Xue He, Zhaokun   Zhai, National Geomatics Center of China

15:30-17:00

Technical Session 2: AI-Enabled Low Altitude and   Ground Modelling

Chair: Wei Huang, Tongji University, China

Pingbo Hu,   Beijing University of Civil Engineering and Architecture

Venue: Lecture Hall 2

· Research on integrated sensing, communication, navigation and control technology for unmanned aerial vehicle swarms in low-altitude economy, Baoguo Yu, Yunlong   Zhang, State Key Laboratory of Comprehensive PNT Network and Equipment   Technology.

· Enabling urban air mobility: 3D geospatial grid-based airspace suitability analysis, route delineation, and public service accessibility assessment, Shanqi Zhang, Qingyu Lei, Nanjing University

· Exploring the potential of vision-language models in remote sensing through prompt optimization, Weibin Ma, Ruiqian Zhang, Xiaogang Ning, Hanchao Zhang, Yixin Chen Chinese Academy of Surveying and mapping

· Integrating satellite remote sensing and dynamic GIS for urban flood risk modelling in Ulaanbaatar, Erkhemzorig Ishdorj, Ochirkhuyag Lkhamjav, Ulziisaikhan Ganbold, Mongolian University of Science and Technology, Mongolia

· ISPRS IJGI and Geomatics — From Understanding to Collaboration, Elena Duan, MDPI

17:30-18:30

Supper   (Cafeteria)

August 23, 2025, Saturday

8:30-10:00

Technical Session 3: Grid-based Spatial Modeling

Chair: Tengteng Qu, Peking University

Venue: Room 505, Lab. Building No.2

· A review on Grid-based Spatial Modeling: advantages and prospects, Xiaochong Tong, Institute of Geospatial Information, Information Engineering University (Invite Presentation)

· Grid graph convolutional network with   neighborhood learning for spatio-temporal prediction, Bing Han, Tengteng Qu, Peking University

· A concept of Levels of Detail for 3D modelling of Buddhist statues, Hongchao FAN, Norwegian University of Science and Technology

· The relationship between urban spatial   form and urban carbon emissions at the grid scale: a case study of Beijing, Bingquan Yao, National Quality Inspection and Testing Center for Surveying and Mapping   Products

· A novel earth-system spatial grid model: ISEA4H-ESSG for multi-layer geoscience data integration and analysis, Yue ma, Long Zhao, Aerospace Information Research Institute, Chinese Academy of Sciences

8:30-10:00

Technical Session 3: Geospatial Applications

Chair: Shanqi Zhang, Nanjing University

Venue: Lecture Hall 2

· A multi-criteria GIS approach to evaluate transit accessibility index: integrating FAHP in suburban Malaysia, Lutfi A.Rahaman, Nabilah Naharudin, Siti Aekbal Salleh, Elina Alias, Universiti Teknologi MARA, Malaysia

· Advancing sustainable forest management in arkhan-Uul province, Mongolia using the spectral forest index (SFI), Ochirkhuyag Lkhamjav, Bayanmunkh Norovsuren, Tsolmon Altanchimeg, Ulziisaikhan Ganbold,   Battuya Sanjaakhand, National Central University

· Research on cultivated land identification method in Alaer Reclamation Area, Xinjiang based on multi-source remote sensing, Yanchun Wang, Sanmin Sun, Jing Jia, Tarim University

· Research on automated post-earthquake building damage assessment method, Siao Liu, Ye Tian, Lei Chen, Ning Wang, Jianyu Wang, Yihuan Li, Satellite Communications Branch, China Telecom   Company Limited

·  Assessment of economic recovery in Shanghai, China after the pandemic using quarterly nighttime light data, Feng Li, Xingjian Fu, Jiajun Li, Jinyu Zhang, Institute of Disaster Prevention

10:00-10:30

Coffee   Break

10:30-12:00

Student Session 1: Complex   Scenes Modelling

Chair: Xian Guo, Beijing University of Civil   Engineering and Architecture

Venue: Room 505, Lab. Building No.2

· DEROA: a differential evolution rolling optimization approach for multi-UAV trajectory planning based on spatial grid probability map, Jiayuan Cheng, Xiaochong Tong, Hao Guo, Yuekun Sun, Jiayi Tang, Chang Yuan, Information Engineering University

· Voxel-based path planning for UAVs in indoor dynamic environments, Yonghan Liao, Zhiyong Wang, Yongjie Lin, Chengzong Liu, Lang Hu, YiLang Lin, Junjie Lu, Zhendong Wu, South China University of Technology

· UAV image sequence reveals feature damage during hurricane evolution, Bo Liu, Xiongwu Xiao, Zhenfeng Shao, Yingbing Li, Shinying Dai, Wenxin Fu, Deren Li,   Wuhan University

· Tunneling-induced ground subsidence revealed by spaceborne and UAV-borne synthetic aperture radar interferometry, Mingshan MO, Bochen Zhang, Linjie Zhang, Shuai Yuan, Songbo Wu, Gan Qin, Shenzhen University

· Research on model reconstruction methods for indoor complex scenes,  Jiangkun Liu, Zhenqing Yang, Xuewei Chen, Kunyang Liu, Beijing University of Civil Engineering and   Architecture

· An optimized UAV flight path planning method based on urban low-altitude navigation knowledge graph, Ying Kong, Xian Guo, Beijing University of Civil Engineering and Architecture

10:30-12:00

Student Session 2: 3D Modelling

Chair: Shisong Cao, Beijing University of   Civil Engineering and Architecture

Venue: Lecture Hall 2

· Semantic-aware multi-scale simplification of urban-scale 3D real-scene mesh models, Wang Xia, Yong Luo, Jiang Fan, Shaoyi Wang, Xinyi Liu, Yongjun Zhang, Liang Fei, Wei Wang, Bin   Zhang, Jinming Zhang, Zeshuang Zheng, China Railway Siyuan Survey and Design Group Co., Ltd.

· A review of research on dense matching algorithms in digital surface model, Ziti Zhang, Chang Wang, Fan Mo, University of Science and Technology Liaoning

· 3D topological relations in double-holed complex bodies for shoal-bar system evolution, Jialu Liu, Liang Leng, Jilin University

· Building contour extraction from fused LiDAR and photogrammetric point clouds using PointNet++, Jianghong Zhao, Mengtian Cao, Jia Yang, Beijing   University of Civil Engineering and Architecture

· High-precision 3D recognition of road potholes based on binocular vision and cross-modal feature fusion, Hanzheng Wang, Shishuo Xu, Danyang Hu, Zheng Wen, Jianxi Ou, Beijing University of Civil Engineering and Architecture

· An improved adaptive dynamic LOD algorithm based on   large-scale point clouds, Zhaolong Li, Chenzhe Wang, Xuewei Chen, Shiliang Tao, Beijing University of Civil   Engineering and Architecture

12:00-13:30

Lunch   (Cafeteria)

Chair: Qiaoli Wu, Beijing University of Civil Engineering and Architecture

Venue: Room 505, Lab. Building No.2

· Monitoring lake crab aquaculture with dynamic GIS: spatio-temporal analysis between aquaculture extent and water quality in Yangcheng Lake, China, Ziyan Peng, Yingying Pang, Yaning Kang, Jingying Luo, College of Urban and Environmental Sciences, Central China   Normal University

· Predicting net ecosystem carbon exchange of typical forest ecosystems in China based on ChinaFLUX, Jingjing Wu, Qiaoli Wu, Wei He, Jie Jiang, Beijing University of Civil Engineering and   Architecture

· Dynamic change of ice flow velocity in Holmes Glacier since the 1970s, Shi Li, Guojun Li, Yuan Cheng, Xuehui Pi, Rongxing Li, Tongji University

· Graph learning-based spatial structural identification of drought regions, Jingxin Zhang, Beijing University of Civil Engineering and Architecture

· Impacts of Triple La Niña events on forest gross primary productivity in China from 2020 to 2022, Wensi Ma, Qiaoli Wu, Wei He, Jie Jiang, Beijing University of Civil Engineering and   Architecture

· Assessing uncertainties in mass balance estimation using the input-output method: a case study from Queen Maud Land to MacRobertson Land, Guojun Li, Tong Hao, Zhongbo Huang, Chen Lv, Liang Tang, Shi Li, Xiangbin Cui, Bo Sun, Kenichi Matsuoka, Rongxing Li, Tongji University

13:30-15:00

Student Session 4: Information Extraction

Chair: Runjie Wang, Beijing University of Civil Engineering and Architecture

Venue: Lecture Hall 2

· Research on local-global spatio-temporal topic model based on social media text data with location information, Haiqi Wang, Xueying Li, Fadong Li, Yawen Ou, Yuanhao Cao, Baozhong Wang, Jun He, Tong Liu, Yanwei Wang, China University of Petroleum East China,

· Research on intelligent extraction and visualization methods for lane-level road defects, Haoyu Li, Jianqin Zhang, Jianxi Ou, Zheng Wen, Beijing University of Civil Engineering and Architecture

· Remote sensing image super-resolution using feature grouped multi-scale network, Wei-Tao Zhang, Nuo Xu, Yi-bo Dang, Xidian University

· Enhanced change detection in historical urban districts: a lightweight visual transformer integration with context-aware local feature augmentation, Lujin Hu, Senchuan Di, Beijing University of Civil Engineering and Architecture

· Research on planar mosaic method for colored textures of regularly symmetric jar-type cultural relics, Xiangyu Yuan, Yungang Hu, Beijing University of Civil Engineering and Architecture

· Remote sensing image scene graph generation method based on knowledge graph enhancement and relationship filtering, Yu Geng, Jingguo Lv, Beijing University of Civil Engineering and Architecture

15:00-15:30

Coffee   Break

Chair: Qiaoli Wu, Beijing University of Civil   Engineering and Architecture

Venue: Room 505, Lab. Building No.2

· Multi-agent simulation modeling and optimization strategies for pedestrian-vehicle conflict behavior at intersections, Yanfang Zhang, Jianqin Zhang, Chaonan Hu, Zheng Wen, Beijing University of Civil Engineering and Architecture

·  An experimental method for station-city integration assessment, Yan Yu, Jing Yang, Hongliang Zhang, Xinran Li, Xinyi Yang, Yuqing Hou, Beijing University of Civil Engineering and Architecture

· Design of an architectural heritage visualization system based on Cesium, Han Liu, Xuewei Chen, Shiliang Tao, Chenzhe Wang, Beijing University of Civil Engineering and Architecture

· Two-phase oblique photogrammetric model for automated change detection in railroad slopes, Xingning Zhu, Ming Huang, Lei Wang, Beijing University of Civil Engineering and Architecture

· Dynamic multidimensional sensor data acquisition with adaptive Kalman filtering, Bing Yu, Beijing University of Civil Engineering and Architecture

15:30-17:00

Student Session 5: Data Processing and Applications

Chair: Runjie Wang, Beijing University of   Civil Engineering and Architecture

Venue: Lecture Hall 2

· Flood risk assessment in the Greater Bay Area based on multidimensional dynamic data, Shuainan Liu, Yang Liu, Tianwei Zhao, Beijing University of Civil Engineering and Architecture

· A framework for cartographic representation of archaeological sites under the digital humanities perspective, Depeng Xie, Yungang Hu, Beijing University of Civil Engineering and Architecture

· Real-time attitude prediction and dynamic monitoring of super-tall buildings using TQWT-TCN-LSTM-GAM integrated with GNSS multi-antenna systems, Jian Wang, Yongbo Lai, Xinyi Mao, Beijing University of Civil Engineering and Architecture

· Construction of multi-granularity spatio-temporal object model for intelligent highway maintenance, Xiaoguang Wang, Jianqin Zhang, Zheng Wen, Jianxi Ou, Xinyue Cheng, Beijing University   of Civil Engineering and Architecture

17:30-19:00

Supper   (Cafeteria)