Day 0 (1 September) | |||||
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12:30-13:00 |
REGISTRATION
Venue: Kashiwa Library
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13:00-13:25 |
Day 0 Event
Venue: FS Hall / Environmental Studies, GSFS
“PLATEAU Introduction” by MLIT
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13:30-15:00 |
Day 0 Event
Venue: FS Hall / Environmental Studies, GSFS
“PLATEAU Hands-on” by Eukarya,Inc.
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15:10-16:10 |
Day 0 Event
Venue: FS Hall / Environmental Studies, GSFS
“A tutorial relating to a real-world experience workflow for reality capture for 3D Gaussian Splat for digital twin model and integration into GIS” by Morakot Pilouk (Esri,Inc.)
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16:10-16:30 |
COFFEE BREAK (Bottled Tea / Water)
Venue: FS Hall / Environmental Studies, GSFS
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16:30-18:30 |
Day 0 Event
Venue: FS Hall / Environmental Studies, GSFS
Workshop “iCity - urban transformation” By Prof. Volker Coors (HFT Stuttgart)
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Day 1 (2 September) | |||||
08:30-09:00 |
REGISTRATION
Venue: Kashiwa Library
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09:00-10:00 |
OPENING
Venue: Media Hall / Kashiwa Library
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10:00-10:45 |
Keynote 1
Venue: Media Hall / Kashiwa Library
“Digital Twin, Gamechanger in Urban Planning” by Ying-fen CHEN (National Taipei University of Technology)
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10:45-11:05 |
COFFEE BREAK
Venue: Kashiwa Library
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11:05-12:25 |
Session 1-a
Venue: Media Hall / Kashiwa Library
3DGeoInfo - CityGML-Based Urban Data Management
198 The New 3D City Database - Advancing 3D Urban Data Management based on CityGML 3.0
129 CityGML 3.0 as a Hub: Integrating BIM, GIS, and Point Cloud Data for 3D Workspace Modeling Comprising Roads, Bridges and Tunnels
150 DEVELOPMENT OF THE STANDARD DATA PRODUCT SPECIFICATION FOR 3D CITY MODELS USING CITYGML
259 KCityChatBot: A knowledge graph based chatbot system for large-scale CityGML dataset
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Session 1-b
Venue: FS Hall / Environmental Studies, GSFS
SDSC - Urban Analysis
113 Analysis of the Impact of Restaurant Genre Diversity on Saving Population — Using Data from Private Gourmet Information Websites
189 Estimation of Future Vacant Housing Distribution Considering Road Development — An Approach Using Digital Road Maps and Machine Learning
191 Developing a Method for Estimating the Distribution of Deserted Houses Using Open Data: Toward the Construction of Open Building-Level Spatial Database
264 Generative AI-Based Application for Producing Tourism Video Blogs with Proximity and Direction to Points of Interest
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12:25-13:10 |
LUNCH
Venue: Kashiwa Library
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13:10-14:30 |
Session 2-a
Venue: Media Hall / Kashiwa Library
3DGeoInfo - 3D Building and City Modeling
187 Impact of Rain on 3D Reconstruction with Multi-View Stereo, Neural Radiance Fields, and Gaussian Splatting
174 Virtual 3D City Model Generation in CityGML
167 Automatic Enrichment of Semantic 3D City Models using Large Language Models
201 Enriching LoD2 Building Models with Facade Openings Using Oblique Imagery
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Session 2-b
Venue: FS Hall / Environmental Studies, GSFS
SDSC - Land Use
142 Trasinemo Smart Land: 3D geospatial data integration for sustainable territorial management
181 Advancing Mixed land Use Detection by Embedding Spatial Intelligence into Vision-Language Models
280 Structuring Subsurface Knowledge: Data Management and a Mapping Framework for an Integrated Geological and Urban 3D Model — A Case Study for the City Center of Stuttgart
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14:40-15:25 |
Keynote 2
Venue: Media Hall / Kashiwa Library
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15:25-15:45 |
COFFEE BREAK
Venue: Kashiwa Library
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15:45-17:25 |
Session 3-a
Venue: Media Hall / Kashiwa Library
3DGeoInfo - Semantic Enrichment of 3D City Modeling
199 Evaluating and Enhancing Georeferencing Accuracy in BIM and 3D GIS Models for Built Environment Digital Twins
279 Robust Joint Instance Semantic Segmentation of 3D Indoor Scene Point Clouds
270 Predicting Building Height from Satellite and Urban Information for Digital Twin Generation
249 CM2LoD3: Reconstructing LoD3 Building Models Using Semantic Conflict Maps
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Session 3-b
Venue: FS Hall / Environmental Studies, GSFS
SDSC - Human Mobility
203 Estimating Behaviour Patterns and Activity Ranges of Minors in Tokyo Japan for Effective Infectious Disease Control
224 Uncovering Patterns: Urban Mobility and Amenity Visits through Large-scale GPS Data
286 Analysis of Location-based Accessibility using a Mobile Phone-Based Origin-Destination Matrix and a Land Use Map
278 Location-Based Emotions Geogame for Capturing Data about Emotions Related to Self-Selected Places
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18:00-19:00 | Welcome Reception | ||||
Day 2 (3 September) | |||||
08:00-08:30 |
REGISTRATION
Venue: Kashiwa Library
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08:30-09:50 |
Session 4-a
Venue: Media Hall / Kashiwa Library
3DGeoInfo - Point Cloud Analysis and Algorithms
250 Semantic segmentation of point clouds with the 3D spatial axis transform
180 Point Cloud for 3D Administration System (LAS)
128 Heterogeneous Point Clouds Matching using Supervised Signatures from a Siamese Network Autoencoder
274 A Taxonomy of Point Cloud Search
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Session 4-b
Venue: FS Hall / Environmental Studies, GSFS
3DGeoInfo - City Monitoring Applications
124 Predicting land surface temperature by different climate classification methods: A case study of Singapore
143 Evaluating cooling and energy-saving potential of Vertical Greenery Systems based on 3D City Models: A case study of three cities
200 Urban Digital Twin for Energy Simulations: A Case Study of Liège
253 From point cloud to 4D Thermal Model: Leveraging In-Situ Measurements from a Low-Cost Mobile Mapping System in Rabat, Morocco
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10:00-10:45 |
Keynote 3
Venue: Media Hall / Kashiwa Library
“Society 5.0 and Next Generation Smart City initiated by Japan” by Atsushi DEGUCHI (The University of Tokyo)
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10:45-11:05 |
COFFEE BREAK
Venue: Kashiwa Library
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11:05-12:25 |
Session 5-a
Venue: Media Hall / Kashiwa Library
3DGeoInfo - AI for Building Modeling
258 RoofSense: A Multimodal Semantic Segmentation Dataset for Roofing Material Classification
206 BldgWeaver; An appearance-contingent generation solution with a language-driven three-dimensional automated creation of digital cousins model using pre-trained transformer architecture
261 Object Detection for the Enrichment of Semantic 3D City Models with Roofing Materials
202 GSMBuildings: Prior-Guided Gaussian Splatting for 3D Building Reconstruction
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Session 5-b
Venue: FS Hall / Environmental Studies, GSFS
SDSC - Urban Perception & Street Design
178 Designing for Perception: Weather-Aware Streetscapes via Generative Modeling and Global Datasets
211 How Do Weather and Time of Day Affect Street Impression?
221 Data-Driven Decision Support for Climbing and Passing Lane Interventions Using QGIS-based Highway Segment Analysis
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12:25-13:10 |
LUNCH
Venue: Kashiwa Library
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13:10-14:10 |
Session 6-a
Venue: Media Hall / Kashiwa Library
SDSC - Environment and Governance
283 Developing a Climate-Focused Web GIS App for Multi-Hazard Early Warning against Climate-Based Disaster Risks
173 Cities' Dashboards as Civic Technologies: Platforms; A Scalable Model for Smart Cities through Integrated Governance in LUNGSOD, SMART METRO, and FASTRAC
243 Human Accessibility Rivals Ecological Factors for Shaping Citizen Science Biodiversity Observation in Urban Forests
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Session 6-b
Venue: FS Hall / Environmental Studies, GSFS
3DGeoInfo - Image Analysis
154 Elevation Guided Global and Local Smoothness for Unsupervised Semantic Segmentation in Remote Sensing Imagery
155 Unsupervised Domain Adaptation for Remote Sensing Data Classification Model Transfer
141 A Method for Crack Detection and Quantification in Masonry Using Neural Network-Based Image Analysis
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Common Session (Day 2) | |||||
13:50-14:30 |
COMMON SESSION REGISTRATION
Venue: Kashiwa Library
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14:30-15:15 |
Keynote 4
Venue: FS Hall / Environmental Studies, GSFS
“Building Blocks for a Digital Twins Ecosystem” by Scott Simmons (OGC)
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15:15-15:45 |
Government of Japan Session
Venue: FS Hall / Environmental Studies, GSFS
“Connecting future Information with Spatial IDs” by Satoshi Tajima (Information-technology Promotion Agency)
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15:45-16:15 |
Local Government Session
Venue: FS Hall / Environmental Studies, GSFS
“Initiative of GovTech Tokyo” by Hirai Norisuke(GovTech Tokyo General Incorporated Foundation)
“Initiative of Tokyo's Smart City” by Haruyo Fukuda(Tokyo Metropolitan Government)
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16:15-16:45 |
Sponsors Session
Venue: FS Hall / Environmental Studies, GSFS
Re:Earth (Eukarya Inc.)
FORUM8 Co., Ltd.
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16:45-18:00 |
OGC Session
Venue: FS Hall / Environmental Studies, GSFS
“Interoperability of Digital Twins Enabled by Standardization” by OGC Experts
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19:00-21:00 | Gala Dinner | ||||
Day 3 (4 September) | |||||
08:00-08:30 |
REGISTRATION
Venue: Kashiwa Library
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08:30-09:50 |
Session 7-a
Venue: Media Hall / Kashiwa Library
3DGeoInfo - 3D City Data and Applications
152 The Influence of 3D Motions on the Efficiency of Chinese Indoor Evacuations
236 HartCityBuF: a new CoolP-optimised CityJSON format for 3D CityGML Representations
260 Evaluation of Input Sampling Methods for Deep-Learning-Based Semantic Segmentation of Large-Scale 3D Point Clouds
108 A proposal to update and enhance the CityGML Energy Application Domain Extension
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Session 7-b
Venue: FS Hall / Environmental Studies, GSFS
SDSC - IoT and Security
214 Performing Classical and Post-Quantum Cryptography on IoT Data: An Evaluation Study
233 A Prototype for evaluating Post-Quantum Cryptography on resource-constrained Hardware with real-world Smart City Sensor Data
246 LoChain: A Decentralized and Privacy-Preserving Blockchain Protocol for Mobility Data Management
170 Balancing Privacy and Utility: An Evaluation of Generative Models for Car Anonymization in Street Scene Images
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10:00-10:45 |
Keynote 5
Venue: Media Hall / Kashiwa Library
“Developing standards to support Digital Twins in cities” by Michael John MULQUIN (MIMs Ambassador for Open & Agile Smart Cities and Communities)
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10:45-11:05 |
COFFEE BREAK
Venue: Kashiwa Library
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11:05-12:05 |
Session 8-a
Venue: Media Hall / Kashiwa Library
3DGeoInfo - 3D Road Modeling
112 Improvement of street dimensionization by method of 3D roads and railroads in 3D Digital Japan Basic Map
119 Automatic Transformation of Semantic 2D Lane Models into 3D CityGML Representations
197 From point clouds to CityGML 3.0: An approach to multi-granular urban road modelling
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Session 8-b
Venue: FS Hall / Environmental Studies, GSFS
SDSC - Smart City
290 A Data-driven Smart District Design: A Net Zero Living Use Case Of Nihonbashi, Tokyo
282 Integrating Youth Well-being into Smart Urban Design: Insights from a Nationwide Survey to Inform Human-Centered City Planning
272 Activating Location-Based Storytelling in a City: GeoFence Identification from Crowdsourced Mobile Sensing
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12:05-12:25 |
Short Poster Introduction
Venue: Media Hall / Kashiwa Library
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12:25-13:10 |
LUNCH
Venue: Kashiwa Library
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13:10-14:15 |
Poster Session Venue: Environmental Studies, GSFS
118 Can Urban Digital Twins Support the Realization of Sustainable Development Goal 11? Identifying Key Social and Technical Challenges 184 Seizing Urban Digital Twinnation: Moving Beyond Twinness and Twinning 194 Optimal transport with cost-free transformations for image co-registration 238 On-sensor Stream Cipher Encryption for Protecting Smart City Sensor Data directly on Resource-Constrained IoT-Sensors 289 Enhancing Urban Risk Resilience in Tokyo's Nihonbashi through Urban Digital Twins and Data-Driven Planning 222 A Machine Learning-Based Method for Automated Land Use Data Generation from Satellite Imagery 144 Mechanisms contributing to road network growth in volunteered street view imagery data 132 An Evaluation of IFC-CityGML Unidirectional Conversion for Road and Transportation Models 148 A Perspective on the Standardization Process of 3D City Models in Japan: History of Geospatial Information Policy and Government Commitment to Standardization 182 Incorporating 3D Building Data into National Spatial Data Infrastructure: Challenges and Insights from Slovenia 252 GNSS/LiDAR-SLAM with Depth Image-based Scan Matching for Waterborne Mobile Mapping 267 Fine-Tuning DeepForest for Forest Tree Detection in High-Resolution UAV Imagery 271 Developing a Spatial-ID-Based Web API for Serving 3-D City-Model Attributes and Reviewing the Spatial ID Specification |
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14:15-15:00 |
Keynote 6
Venue: Media Hall / Kashiwa Library
“Vision AI Platform for Human-AI Symbiotic Society” by Quan KONG (Woven by Toyota Inc)
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15:10-16:10 |
Session 9-a
Venue: Media Hall / Kashiwa Library
3DGeoInfo - 3D Data Validation and Quality 234 An Application Domain Extension for storing validation results of CityGML structures 168 A Comprehensive Temporal Model for Geometric and Topological Data Management in 3D Space 207 Evaluating the development of cost-free 3D city models: a multidimensional assessment |
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Session 9-b
Venue: FS Hall / Environmental Studies, GSFS
SDSC - Energy 163 A Data-Driven Urban Digital Twin Approach for Evaluating Positive Energy District Potential Using OGC Standards in Stuttgart 190 Lessons learnt from the Integration of open data and semantic 3D city models for urban building energy modelling in the Netherlands 218 Data-Driven Energy Simulations To Evaluate Positive Energy District Potential in Rotterdam |
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16:10-16:30 |
COFFEE BREAK
Venue: Kashiwa Library
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16:30-17:30 |
Session 10-a
Venue: Media Hall / Kashiwa Library
3DGeoInfo - Urban Environment Modeling 131 Introducing service-side support for 3DCity/OGC Tools plug-in for QGIS 165 Towards a domain specific graph query language for the geoscience implementing a GeoGQL 244 Digital Urban Twins for heavy freight cars - an open source QGIS plugin for machine learning classification of residential buildings using CityGML with additional datasets |
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Session 10-b
Venue: FS Hall / Environmental Studies, GSFS
3DGeoInfo - Sustainability & Climate Analysis 137 A Standards-Based Approach to Scalable Urban Carbon Twin Ecosystems: Insights from Traffic Noise Modeling and Geo-AI Analysis 209 Partial Optimal Transport for Co-Registration of Partially Overlapped Point Clouds 219 A 3D Transfer Space-Based Data Model for Integrating Multimodal Transportation Networks in Smart Cities 186 Exploring Constructive Solid Geometry for Building Reconstruction from Point Clouds: preliminary results |
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Day 4 (5 September) | |||||
08:00-08:30 |
REGISTRATION
Venue: Kashiwa Library
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08:30-09:50 |
Session 11-a
Venue: Media Hall / Kashiwa Library
3DGeoInfo - Participatory City Modeling 241 Automatic Mapping, 3D Localization, and Semantic Enrichment of Commercial Signboards Using 360° Mobile Mapping Imagery: A Case Study in Temara, Morocco 248 6326 Shades of Georeferencing BIM : Low distortion projections (LDP) for the German Railway 125 Analysis of Building 3D Coverage and Spatial Disparity of Editing Activities in OpenStreetMap |
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Session 11-b
Venue: FS Hall / Environmental Studies, GSFS
SDSC - Walkability 121 Can a Large Language Model Assess Urban Design Quality? Evaluating Walkability Metrics Across Expertise Levels 106 Assessing Walkability in Sofia: A Multi-Metric Approach for Pedestrian-Friendly Cities 146 OGC-AI: A Retrieval-Augmented Large Language Model Interface for Open Geospatial Consortium Web Services |
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10:00-10:45 |
Keynote 7
Venue: Media Hall / Kashiwa Library
“Designing Civic Tech Research Initiative” by Yuya SHIBUYA (The University of Tokyo)
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10:45-11:05 |
COFFEE BREAK
Venue: Kashiwa Library
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11:05-12:25 |
Session 12-a
Venue: Media Hall / Kashiwa Library
3DGeoInfo - Case Studies in 3D Digital Twin Modeling 257 Mobile LiDAR Data for 3D Digital Twin Generation 212 Adaptive Voxel-based Weighted Multisensor Point Color Consistency for Indoor Digital Twin Construction 262 3DTiler: A tool to georeference 3D Models and generate 3D Tiles 175 Resolution of a Texture Image Mapped on a 3D City Model(SDC-3DGeo) |
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Session 12-b
Venue: FS Hall / Environmental Studies, GSFS
SDSC - Transportation 140 Large-Scale Mapping of Urban Parking from Aerial Images: A Case Study in Berlin 217 Spatial Analysis of EV Charging Demand for Intercity Rail Transport in Thailand 239 A Method for Extracting Functional Areas Specialized for Bicycle Usage 229 Pothole Detection and Dimension Estimation via Image Transformation and Scaling with Thai Road Data Integration 204 VLM-Based Building Change Detection with CNN-Transformer |
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12:25-13:10 |
LUNCH
Venue: Kashiwa Library
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13:10-13:55 |
Keynote 8
Venue: Media Hall / Kashiwa Library
“URBAN DIGITAL TWINS AND DATA SPACES: Shaping the Future of Sustainable Cities” by Dessislava PETROVA-ANTONOVA (Sofia University)
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14:00-15:00 |
CLOSING / PHOTO
Venue: Media Hall / Kashiwa Library
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15:00-17:00 | Technical Tour |