
3D GeoInfo & SDSC 2025
20th 3D GeoInfo Conference | 9th Smart Data and Smart Cities Conference
02 - 05 September 2025 | Kashiwa Campus, University of Tokyo, Japan
Conference Agenda
Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).
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Session Overview | |
| Location: Media Hall / Kashiwa Library |
| Date: Tuesday, 02/Sept/2025 | |
| 11:05am - 12:25pm |
Session 1-a: 3DGeoInfo - CityGML-Based Urban Data Management Location: Media Hall / Kashiwa Library Chair: Giorgio Agugiaro The New 3D City Database 5.0 - Advancing 3D City Data Management based on CityGML 3.0 CityGML 3.0 as a Hub: Integrating BIM, GIS, and Point Cloud Data for 3D Streetspace Modeling Comprising Roads, Bridges and Tunnels DEVELOPMENT OF THE STANDARD DATA PRODUCT SPECIFICATION FOR 3D CITY MODELS USING CITYGML KCitychatBot: A knowledge graph based chatbot system for large-scale CityGML dataset |
| 1:10pm - 2:30pm |
Session 2-a: 3DGeoInfo - 3D Building and City Modeling Location: Media Hall / Kashiwa Library Chair: Lucía Díaz Vilariño Impact of Rain on 3D Reconstruction with Multi-View Stereo, Neural Radiance Fields and Gaussian Splatting Virtual 3D City Model Generation in CityGML Automatic Enrichment of Semantic 3D City Models using Large Language Models Enriching LoD2 Building Models with Facade Openings Using Oblique Imagery |
| 3:45pm - 5:25pm |
Session 3-a: 3DGeoInfo - Semantic Enrichment of 3D City Modeling Location: Media Hall / Kashiwa Library Chair: Weixiao Gao Evaluating and Enhancing Georeferencing Accuracy in BIM and 3D GIS Models for Built Environment Digital Twins Robust Joint Instance-Semantic Segmentation for Semantic Enrichment of 3D Roof Reconstruction from Noisy Labels Predicting Building Height from Footprint and Urban Planning information for Digital Twin Generation CM2LoD3: Reconstructing LoD3 Building Models Using Semantic Conflict Maps |
| Date: Wednesday, 03/Sept/2025 | |
| 8:30am - 9:50am |
Session 4-a: 3DGeoInfo - Point Cloud Analysis and Algorithms Location: Media Hall / Kashiwa Library Chair: Ihab Hijazi Semantic segmentation of point clouds with the 3D medial axis transform Point Cloud for 3D Land Administration System (LAS) Heterogeneous Point Clouds Matching using Supervoxel Signatures from a Deep Neural Network Autoencoder A Taxonomy of Point Cloud Search |
| 11:05am - 12:25pm |
Session 5-a: 3DGeoInfo - AI for Building Modeling Location: Media Hall / Kashiwa Library Chair: Paul Kuper RoofSense: A Multimodal Semantic Segmentation Dataset for Roofing Material Classification BldgWeaver: An appearance-contingent generation solution with a three-dimensional automated creation of digital cousins model using pre-trained transformer architecture Object Detection for the Enrichment of Semantic 3D City Models with Roofing Materials GS4Buildings: Prior-Guided Gaussian Splatting for 3D Building Reconstruction |
| 1:10pm - 2:10pm |
Session 6-a: SDSC - Environment and Governance Location: Media Hall / Kashiwa Library Chair: Chenyi Cai Cities’ Dashboards as Civic Technology Platforms: A Scalable Model for Smart Cities through Integrated Governance in LUNGSOD, SMART METRO, and FASTRAC Human Accessibility Rivals Ecological Factors for Shaping Citizen Science Biodiversity Observation in Urban Forests |
| Date: Thursday, 04/Sept/2025 | |
| 8:30am - 9:50am |
Session 7-a: 3DGeoInfo - 3D City Data and Applications Location: Media Hall / Kashiwa Library Chair: Chikako Kurokawa The Influence of 3D Motions on the Efficiency of Children’s Indoor Evacuations FlatCityBuf: a new cloud-optimised CityJSON format Evaluation of Input Sampling Methods for Deep-Learning-Based Semantic Segmentation of Large-Scale 3D Point Clouds A proposal to update and enhance the CityGML Energy Application Domain Extension |
| 11:05am - 12:05pm |
Session 8-a: 3DGeoInfo - 3D Road Modeling Location: Media Hall / Kashiwa Library Chair: Balthasar Teuscher Improvement of three-dimensionalization method of roads and railroads in 3D Digital Japan Basic Map Automatic Transformation of Semantic 2D Lane Models into 3D CityGML Representations From point clouds to CityGML 3.0: An approach to multi-granular urban road modelling |
| 3:10pm - 4:10pm |
Session 9-a: 3DGeoInfo - 3D Data Validation and Quality Location: Media Hall / Kashiwa Library Chair: Masafumi Nakagawa Storing quality validation results in CityGML with the QualityADE A Comprehensive Temporal Model for Geometric and Topological Data Management in 3D Space Evaluating the development of open 3D city models: a multidimensional assessment |
| 4:30pm - 5:30pm |
Session 10-a: 3DGeoInfo - Urban Environment Modeling Location: Media Hall / Kashiwa Library Chair: Toshikazu SETO Introducing server-side support for 3DCityDB 5.0 to the 3DCityDB-Tools plug-in for QGIS Towards a domain specific graph query language for the geoscience - implementing a GeoGQL - Digital Urban Twins for heavy rain events - An open source QGIS plugin for machine learning classification of residential buildings using CityGML with additional datasets |
| Date: Friday, 05/Sept/2025 | |
| 8:30am - 9:50am |
Session 11-a: 3DGeoInfo - Participatory City Modeling Location: Media Hall / Kashiwa Library Chair: Olaf Wysocki Automatic Detection, 3D Localization, and Semantic Enrichment of Commercial Signboards Using 360° Mobile Mapping Imagery: A case Study in Temara, Morocco 6326 Shades of Georeferencing BIM - Low distortion projections (LDP) for the German Railway Analysis of Building 3D Attribute Coverage and Spatial Disparity of Editing Activities in OpenStreetMap Exploring Constructive Solid Geometry for Building Reconstruction from Point Clouds: preliminary results. |
| 11:05am - 12:25pm |
Session 12-b: SDSC - Transportation Location: Media Hall / Kashiwa Library Chair: Takahiro Yoshida Large-Scale Mapping of Urban Parking from Aerial Images: A Case Study in Berlin Spatial Analysis of EV Charging Demand for Intercity Bus Transport in Thailand A Method for Extracting Functional Areas Specialized for Bicycle Usage VLM-Based Building Change Detection with CNN-Transformer Developing a Climate-Smart Web GIS App for Multi-Hazard Early Warning against Climate-Based Disaster Risks |