Please Note: The registration for the International Forum is closed!

International Forum on Urban Digital Twins

12th September 2023 | @ Munich Urban Colab

The event will be all about Urban Digital Twins and will focus on

- the current status quo in cities across the globe
- the current state of Science and Research on Digital Twins
- topics of Standardization

This forum is a part of the 18th International 3DGeoInfo conference, which will take place in Munich from 12-14 September 2023, hosted by the Chair of Geoinformatics at the Technical University of Munich.

The forum is co-organized and sponsored by the City of Munich in cooperation with the Technical University of Munich.

Registration for the International Forum is now closed.

Program Details

Day 1 - International Forum
Day 2 - 3DGeoInfo Conference
Day 3 - 3DGeoInfo Conference

TUESDAY – 12. SEPTEMBER 2023 – INTERNATIONAL FORUM @Munich Urban Colab, Freddie-Mercury-Straße 5, 80797 Munich
08:00 – 09:00	ARRIVAL AND REGISTRATION
09:00 – 09:15	WELCOME AND INTRODUCTION
	City of Munich (Edwin Grodeke, Deputy Head of the Department of Communal Services)
09:15 – 09:45	KEYNOTE Positive Clean Energy District Digital Twins in the European Context (Jens Bartholmes, Policy Officer at European Commission – DG Energy)
09:45 -10:45	PRESENTATIONS (15 minutes each)
	Towards Connected Digital Twins: The Journey from Data for the Public Good to CReDo, the Climate Resilience Demonstrator (Sarah Hayes, Engagement Lead, CReDo, Connected Places Catapul, UK)
	Helsinki 3D Story City Models – Use cases – Open Services (Jarmo Suomisto, City of Helsinki)
	Digital Twin Munich: The Digital Infrastructure of the Climate-Neutral City (Mandana Moshrefzadeh, City of Munich)
10:45 – 11:15	COFFEE BREAK
11:15 – 12:30	PRESENTATIONS (15 minutes each)
	Netherlands 3D (Marcel Duffhuis and Arjan Koelewijn, City of Utrecht)
	Urban Digital Twin: How to fit a Chameleon into a standard? (Jochim Schonowski, DIN)
	Digital Twins: The Future of Urban Planning (Jordi Ortuño Ribé and Patricio Reyes, City of Barcelona)
	Key Elements of Urban Digital Twins (Thomas H. Kolbe, Technical University of Munich)
12:30 – 13:00	BARCAMP INTRODUCTION
13:00 – 14:00	LUNCH BREAK
14:00 – 15:00	BARCAMP
	Sessions – Part 1 (45 minutes)
15:00 – 15:30	COFFEE BREAK
15:30 – 16:45	BARCAMP
	Sessions – Part 2 (45 minutes)
16:45 – 17:00	CONCLUSION
17:00 – 19:00	GET TOGETHER AND WELCOME RECEPTION FOR THE 3DGEOINFO CONFERENCE

WEDNESDAY – 13. SEPTEMBER 2023 – 3DGEOINFO CONFERENCE @TUM, Garching – Informatics Department – Boltzmannstraße 3, Munich
07:30 – 08:30	CONFERENCE REGISTRATION @TUM GARCHING
08:30 – 09:30	INTRODUCTORY SESSION Location: HS1 (Hörsaal 1)
	Opening (Thomas H. Kolbe, Conference Chair)
	Welcome address (Werner Lang, Vice President of Technical University of Munich for Sustainable Transformation)
	KEYNOTE Project PLATEAU – The Initiative of Digital Twin in Japan (Yuya Uchiyama, Director for IT Strategy and Coordination and the PLATEAU project, MLIT, Japan)
09:30 – 10:00	MORNING COFFEE/TEA BREAK
10:00 – 11:45	PRESENTATIONS – Morning Session (Session 1)
	Track A – Applications of 3D City Models and Digital Twins (D1-S1-A) Location: HS1 (Hörsaal 1) Chair: Giorgio Agugiaro	Track B – 3D Point Cloud Processing and Analysis (D1-S1-B) Location: HS2 (Hörsaal 2) Chair: Lucía Díaz Vilariño
	Recommendation for vegetation information in semantic 3D city models in urban planning applications. (Pantazatou, Karolina; Kanters, Jouri; Mattisson, Kristoffer; Olsson, Per-Ola; Harrie, Lars)	Efficient In-Memory Point Cloud Query Processing. (Teuscher, Balthasar; Geißendörfer, Oliver; Luo, Xuanshu; Li, Hao; Anders, Katharina; Holst, Christoph; Werner, Martin)
	Shadowing calculation on urban areas from Semantic 3D City Models. (Xu, Longxiang; Leon Sanchez, Camilo; Agugiaro, Giorgio; Stoter, Jantien)	Transferring façade labels between point clouds with semantic octrees while considering change detection (Schwarz, Sophia; Pilz, Tanja Sophie; Wysocki, Olaf; Hoegner, Ludwig; Stilla, Uwe)
	Supporting teleoperated humanitarian aid missions with 3D visualization using remote sensing data. (Angermann, Lucas Dominik; Halbgewachs, Magdalena Felicitas; Lechner, Konstanze)	Investigating Data Fusion from Three Different Point Cloud Datasets by using Iterative Closest Point (ICP) Registration. (Mutiarasari, Wahyu M.; Rahman, M. Z. Abd; Abdul Rahman, Alias)
	Solid Waste in the Virtual World: A Digital Twinning Approach for Waste Collection Planning. (Cárdenas, Iván; Koeva, Mila; Davey, Calayde; Nourian, Pirouz)	Sensing heathland vegetation structure from Unmanned Aircraft System Laser Scanner: Comparing sensors and flying heights. (Homainejad, Nina; Winiwarter, Lukas; Hollaus, Markus; Zlatanova, Sisi; Pfeifer, Norbert)
	Automatically evaluating the service quality of bicycle paths based on semantic 3D city models. (Beil, Christof; Ilic, Mario; Keler, Andreas; Kolbe, Thomas H.)	Comparison of point distance calculation methods in point clouds – Is the most complex always the most suitable? (Diaz, Vitali; van Oosterom, Peter; Meijers, Martin; Verbree, Edward; Ahmed, Nauman; van Lankveld, Thijs)
11:45 – 13:00	LUNCH
13:00 – 14:45	PRESENTATIONS – Afternoon Session (Session 2)
	Track A – VR / AR and Visualization (D1-S2-A) Location: HS1 (Hörsaal 1) Chair: Jacynthe Pouliot	Track B – Indoor / Outdoor Modelling and Navigation (D1-S2-B) Location: HS2 (Hörsaal 2) Chair: Jörg Blankenbach
	Virtual Reality experience analysis from Point Cloud Data. (Aneiros Egido, Diego; Balado Frías, Jesús; Tran, Ha; Díaz Vilariño, Lucía)	RGB-D Semantic Segmentation for Indoor Modeling Using Deep Learning: A Review. (Rached, Ishraq; Hajji, Rafika; Landes, Tania)
	Visualisation of 3D Uncertainties for Subsurface Infrastructure using Augmented Reality. (Vinther, Simon Quaade; Kunnerup, Frida Dalbjerg; Bodum, Lars; Hansen, Lasse Hedegaard; Wyke, Simon)	A framework for generating IndoorGML data from omnidirectional images. (Kim, Misun; Lee, Jeongwon; Lee, Jiyeong)
	Immersive virtual reality to verify the as-built state of electric line networks in buildings. (Knechtel, Julius; Li, Weilian; Orgeig, Yannick; Haunert, Jan-Henrik; Dehbi, Youness)	Deep Adaptive Network for WiFi-based Indoor Localization. (Ahmad, Afnan; Sohn, Gunho)
	3D Data Mapping with Augmented Reality. (Lee, Ming-Chun)	MoLi-PoseGAN: Model-based Indoor Relocalization using GAN and Deep Pose Regression from Synthetic LiDAR Scans. (Zhao, Hang; Tomko, Martin; Khoshelham, Kourosh)
	Creating a 3D Multi-Dataset Bubble in Support of OGC Testbed-19 and Metaverse Standards Prototypes. (Clarke, James; Smyth, Steve; Smith, Rob; Morley, Jeremy)	Digital Twins: Simulating Robot-Human Sidewalk Interactions. (Hassan, Ali; Usman, Muhammad; Kremer, Melissa; Yang, Seungho; Luubert, Micheal; Faloutsos, Petros; Hall, Brent G.; Sohn, Gunho)
14:45 – 15.15	AFTERNOON COFFEE/TEA BREAK
15:15 – 17:00	PRESENTATIONS – Evening Session (Session 3)
	Track A – GIS / BIM Integration (D1-S3-A) Location: HS1 (Hörsaal 1) Chair: Ihab Hijazi	Track B – 3D Data Modelling and Topology (D1-S3-B) Location: HS2 (Hörsaal 2) Chair: Claire Ellul
	Assessment of the LoD specification for the integration of BIM-derived building models in 3D city model. (Vaart, Jasper van der; Stoter, Jantien; Diakité, Abdoulaye; Biljecki, Filip; Ohori, Ken Arroyo; Hakim, Amir)	A Level of as-is Detail Concept for Digital Twins of Roads – Case Study. (Crampen, David; Hein, Marcel; Blankenbach, Jörg)
	IFC georeferencing for OSM. (Tauscher, Helga; Heigener, Dominik; Krishnakumar, Subhashini; Graichen, Thomas; Schmidt, Rebecca; Richter, Julia)	Digital geoTwin: a CityGML-based data model for a virtual replica of the City of Vienna. (Lehner, Hubert; Kordasch, Sara Lena; Glatz, Charlotte; Agugiaro, Giorgio)
	Merging BIM, Land Use and 2D Cadastral Maps into a Digital Twin Fit-for-Purpose Geospatial Infrastructure. (Andritsou, Dimitra; Soile, Sofia; Potsiou, Chryssy)	A Hierarchy of Levels of Detail for 3D Utility Network Models. (Chen, Zihan; Pouliot, Jacynthe; Hubert, Frédéric)
	Artificial Intelligence for the automated creation of multi-scale digital twins of the built world – AI4TWINNING. (Borrmann, André; Biswanath, Manoj; Braun, Alex; Chen, Zhaiyu; Cremers, Daniel; Heeramaglore, Medhini; Hoegner, Ludwig; Mehranfar, Mansour; Kolbe, Thomas; Petzold, Frank; Rueda, Alejandro; Solonets, Sergei; Zhu, Xiao Xiang)	Topological representation of a 4D cell complex and its dual–feasibility study. (Boguslawski, Pawel)
	Development of a Geo to BIM converter: CityJSON importer plugin for Autodesk Revit. (Hakim, Amir; van der Vaart, Jasper; Ohori, Ken Arroyo; Stoter, Jantien)	3D Topology Rules Implementation in Spatial Database. (Salleh, Syahiirah; Ujang, Uznir; Azri, Suhaibah)
19:00 Onwards	CONFERENCE DINNER @Augustiner Stammhaus, Neuhauser Str. 27, Munich City Center.
	The 3DGeoInfo Journey from 2006 to 2022 – A Reflection (Alias Abdul Rahman)
	Presentation of Awards (Thomas H. Kolbe)

THURSDAY – 14. SEPTEMBER 2023 – 3DGEOINFO CONFERENCE @TUM, Garching – Informatics Department – Boltzmannstraße 3, Munich
09:00 – 09:55	INTRODUCTORY SESSION Location: HS1 (Hörsaal 1)
	KEYNOTE Research Insights and Perspectives of Urban Digital Twins (Filip Biljecki, Professor at the National University of Singapore)
	Short Presentation by ESRI Deutschland GmbH (Platinum Sponsor)
09:55 – 10:30	MORNING COFFEE/TEA BREAK
10:30 – 12:15	PRESENTATIONS – Morning Session (Session 1)
	Track A – 3D Data Acquisition, Analysis, and Simulation for Urban Digital Twins (D2-S1-A) Location: HS1 (Hörsaal 1) Chair: Youness Dehbi	Track B – Software and Tools for 3D spatial data (D2-S1-B) Location: HS2 (Hörsaal 1) Chair: Mila Koeva
	Enriched semantic 3D point clouds: An alternative to 3D City models for Digital Twin for Cities? (Jeddoub, Imane; Ballouch, Zouhair; Hajji, Rafika; Billen, Roland)	OGC Data Exchange Toolkit: Interoperable and Reusable 3D data at the end of the OGC Rainbow. (Noardo, Francesca; Atkinson, Rob; Simonis, Ingo; Villar, Alejandro; Zaborowski, Piotr)
	Unsupervised Roofline Extraction from True Orthophotos for LoD2 Building Model Reconstruction. (Gao, Weixiao; Peters, Ravi; Stoter, Jantien)	cjdb: A simple, fast, and lean database solution for the CityGML data model. (Powałka, Leon; Poon, Chris; Xia, Yitong; Meines, Siebren; Yan, Lan; Cai, Yuduan; Stravopoulou, Gina; Dukai, Balázs; Ledoux, Hugo)
	Enhancing Realism in Urban Simulations: A Mapping Framework for the German National Standard XPlanung and CityGML. (Zahid, Hamza; Hijazi, Ihab; Donabauer, Andreas; Kolbe, Thomas H.)	Introducing the 3DCityDB-Tools plug-in for QGIS. (Agugiaro, Giorgio; Pantelios, Konstantinos; León-Sánchez, Camilo; Yao, Zhihang; Nagel, Claus)
	An Alternative Raw Data Acquisition Approach for Reconstruction of LOD3 Models. (Frank, Florian; Hoegner, Ludwig; Buckel, Peter; Dalm, Kris)	Challenges and Steps Toward Implementing 3D Cadastral Database – Physical Data Model of LADM. (Shahidinejad, Javad; Kalantari, Mohsen; Rajabifard, Abbas)
	Identification and Interpretation of Change Patterns in Semantic 3D City Models. (Nguyen, Son H.; Kolbe, Thomas H.)	Optim3D: Efficient and scalable generation of large-scale 3D building models. (Yarroudh, Anass; Kharroubi, Abderrazzaq; Billen, Roland)
12:15 – 13:15	LUNCH
13:15 – 15:00	PRESENTATIONS – Afternoon Session (Session 2)
	Track A – Deriving 3D models from point clouds (D2-S2-A) Location: HS1 (Hörsaal 1) Chair: Roland Billen	Track B – Sensors and dynamic data in Urban Digital Twins (D2-S2-B) Location: HS2 (Hörsaal 2) Chair: Sisi Zlatanova
	Reconstructing façade details using MLS point clouds and Bag-of-Words approach. (Fröch, Thomas; Wysocki, Olaf; Hoegner, Ludwig; Stilla, Uwe)	Dynamic Digital Twins: Challenges, Perspectives and Practical Implementation from a City’s Perspective. (Richter, Rico; Knospe, Frank; Trapp, Matthias; Döllner, Jürgen)
	Generating 3D Roof Models from ALS Point Clouds using Roof Line Topologies. (Kong, Gefei; Fan, Hongchao)	Humans as Sensors in Urban Digital Twins. (Lei, Binyu; Su, Yunlei; Biljecki, Filip)
	MLS2LoD3: Refining low LoDs building models with MLS point clouds to reconstruct semantic LoD3 building models. (Wysocki, Olaf; Hoegner, Ludwig; Stilla, Uwe)	Visualisation Requirements for Integrated 3D City Models and Sensor Data in Urban Digital Twins. (Gitahi, Joseph; Kolbe, Thomas H.)
	Semantic segmentation of buildings using multisource ALS data. (Walicka, Agata; Pfeifer, Norbert)	Investigation of CityGML 3.0 for modelling temporal aspects in underground land administration. (Saeidian, Bahram; Rajabifard, Abbas; Atazadeh, Behnam; Kalantari, Mohsen)
	Classifying point clouds at the facade-level using geometric features and deep learning networks. (Tan, Yue; Wysocki, Olaf; Stilla, Uwe; Hoegner, Ludwig)	Integrating dynamic data with 3D city models via CityJSON extension. (Boumhidi, Khawla; Nys, Gilles-Antoine; Hajji, Rafika)
15:00 – 15:30	AFTERNOON COFFEE/TEA BREAK (Grab your drinks for the closing ceremony)
15:30 – 16:00	CLOSING Location: HS1 (Hörsaal 1)
	Conclusion of Conference and announcement of next year’s conference details

Please Note: The registration for the International Forum is closed!

International Forum on Urban Digital Twins

12th September 2023 | @ Munich Urban Colab

The event will be all about Urban Digital Twins and will focus on

- the current status quo in cities across the globe
- the current state of Science and Research on Digital Twins
- topics of Standardization

This forum is a part of the 18th International 3DGeoInfo conference, which will take place in Munich from 12-14 September 2023, hosted by the Chair of Geoinformatics at the Technical University of Munich.

The forum is co-organized and sponsored by the City of Munich in cooperation with the Technical University of Munich.

Registration for the International Forum is now closed.

Registration for Workshop/Conference

City of Munich

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Program Agenda - Day 1 - PDF

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Program Details

Day 1 - International Forum
Day 2 - 3DGeoInfo Conference
Day 3 - 3DGeoInfo Conference

TUESDAY – 12. SEPTEMBER 2023 – INTERNATIONAL FORUM @Munich Urban Colab, Freddie-Mercury-Straße 5, 80797 Munich
08:00 – 09:00	ARRIVAL AND REGISTRATION
09:00 – 09:15	WELCOME AND INTRODUCTION
	City of Munich (Edwin Grodeke, Deputy Head of the Department of Communal Services)
09:15 – 09:45	KEYNOTE Positive Clean Energy District Digital Twins in the European Context (Jens Bartholmes, Policy Officer at European Commission – DG Energy)
09:45 -10:45	PRESENTATIONS (15 minutes each)
	Towards Connected Digital Twins: The Journey from Data for the Public Good to CReDo, the Climate Resilience Demonstrator (Sarah Hayes, Engagement Lead, CReDo, Connected Places Catapul, UK)
	Helsinki 3D Story City Models – Use cases – Open Services (Jarmo Suomisto, City of Helsinki)
	Digital Twin Munich: The Digital Infrastructure of the Climate-Neutral City (Mandana Moshrefzadeh, City of Munich)
10:45 – 11:15	COFFEE BREAK
11:15 – 12:30	PRESENTATIONS (15 minutes each)
	Netherlands 3D (Marcel Duffhuis and Arjan Koelewijn, City of Utrecht)
	Urban Digital Twin: How to fit a Chameleon into a standard? (Jochim Schonowski, DIN)
	Digital Twins: The Future of Urban Planning (Jordi Ortuño Ribé and Patricio Reyes, City of Barcelona)
	Key Elements of Urban Digital Twins (Thomas H. Kolbe, Technical University of Munich)
12:30 – 13:00	BARCAMP INTRODUCTION
13:00 – 14:00	LUNCH BREAK
14:00 – 15:00	BARCAMP
	Sessions – Part 1 (45 minutes)
15:00 – 15:30	COFFEE BREAK
15:30 – 16:45	BARCAMP
	Sessions – Part 2 (45 minutes)
16:45 – 17:00	CONCLUSION
17:00 – 19:00	GET TOGETHER AND WELCOME RECEPTION FOR THE 3DGEOINFO CONFERENCE

WEDNESDAY – 13. SEPTEMBER 2023 – 3DGEOINFO CONFERENCE @TUM, Garching – Informatics Department – Boltzmannstraße 3, Munich
07:30 – 08:30	CONFERENCE REGISTRATION @TUM GARCHING
08:30 – 09:30	INTRODUCTORY SESSION Location: HS1 (Hörsaal 1)
	Opening (Thomas H. Kolbe, Conference Chair)
	Welcome address (Werner Lang, Vice President of Technical University of Munich for Sustainable Transformation)
	KEYNOTE Project PLATEAU – The Initiative of Digital Twin in Japan (Yuya Uchiyama, Director for IT Strategy and Coordination and the PLATEAU project, MLIT, Japan)
09:30 – 10:00	MORNING COFFEE/TEA BREAK
10:00 – 11:45	PRESENTATIONS – Morning Session (Session 1)
	Track A – Applications of 3D City Models and Digital Twins (D1-S1-A) Location: HS1 (Hörsaal 1) Chair: Giorgio Agugiaro	Track B – 3D Point Cloud Processing and Analysis (D1-S1-B) Location: HS2 (Hörsaal 2) Chair: Lucía Díaz Vilariño
	Recommendation for vegetation information in semantic 3D city models in urban planning applications. (Pantazatou, Karolina; Kanters, Jouri; Mattisson, Kristoffer; Olsson, Per-Ola; Harrie, Lars)	Efficient In-Memory Point Cloud Query Processing. (Teuscher, Balthasar; Geißendörfer, Oliver; Luo, Xuanshu; Li, Hao; Anders, Katharina; Holst, Christoph; Werner, Martin)
	Shadowing calculation on urban areas from Semantic 3D City Models. (Xu, Longxiang; Leon Sanchez, Camilo; Agugiaro, Giorgio; Stoter, Jantien)	Transferring façade labels between point clouds with semantic octrees while considering change detection (Schwarz, Sophia; Pilz, Tanja Sophie; Wysocki, Olaf; Hoegner, Ludwig; Stilla, Uwe)
	Supporting teleoperated humanitarian aid missions with 3D visualization using remote sensing data. (Angermann, Lucas Dominik; Halbgewachs, Magdalena Felicitas; Lechner, Konstanze)	Investigating Data Fusion from Three Different Point Cloud Datasets by using Iterative Closest Point (ICP) Registration. (Mutiarasari, Wahyu M.; Rahman, M. Z. Abd; Abdul Rahman, Alias)
	Solid Waste in the Virtual World: A Digital Twinning Approach for Waste Collection Planning. (Cárdenas, Iván; Koeva, Mila; Davey, Calayde; Nourian, Pirouz)	Sensing heathland vegetation structure from Unmanned Aircraft System Laser Scanner: Comparing sensors and flying heights. (Homainejad, Nina; Winiwarter, Lukas; Hollaus, Markus; Zlatanova, Sisi; Pfeifer, Norbert)
	Automatically evaluating the service quality of bicycle paths based on semantic 3D city models. (Beil, Christof; Ilic, Mario; Keler, Andreas; Kolbe, Thomas H.)	Comparison of point distance calculation methods in point clouds – Is the most complex always the most suitable? (Diaz, Vitali; van Oosterom, Peter; Meijers, Martin; Verbree, Edward; Ahmed, Nauman; van Lankveld, Thijs)
11:45 – 13:00	LUNCH
13:00 – 14:45	PRESENTATIONS – Afternoon Session (Session 2)
	Track A – VR / AR and Visualization (D1-S2-A) Location: HS1 (Hörsaal 1) Chair: Jacynthe Pouliot	Track B – Indoor / Outdoor Modelling and Navigation (D1-S2-B) Location: HS2 (Hörsaal 2) Chair: Jörg Blankenbach
	Virtual Reality experience analysis from Point Cloud Data. (Aneiros Egido, Diego; Balado Frías, Jesús; Tran, Ha; Díaz Vilariño, Lucía)	RGB-D Semantic Segmentation for Indoor Modeling Using Deep Learning: A Review. (Rached, Ishraq; Hajji, Rafika; Landes, Tania)
	Visualisation of 3D Uncertainties for Subsurface Infrastructure using Augmented Reality. (Vinther, Simon Quaade; Kunnerup, Frida Dalbjerg; Bodum, Lars; Hansen, Lasse Hedegaard; Wyke, Simon)	A framework for generating IndoorGML data from omnidirectional images. (Kim, Misun; Lee, Jeongwon; Lee, Jiyeong)
	Immersive virtual reality to verify the as-built state of electric line networks in buildings. (Knechtel, Julius; Li, Weilian; Orgeig, Yannick; Haunert, Jan-Henrik; Dehbi, Youness)	Deep Adaptive Network for WiFi-based Indoor Localization. (Ahmad, Afnan; Sohn, Gunho)
	3D Data Mapping with Augmented Reality. (Lee, Ming-Chun)	MoLi-PoseGAN: Model-based Indoor Relocalization using GAN and Deep Pose Regression from Synthetic LiDAR Scans. (Zhao, Hang; Tomko, Martin; Khoshelham, Kourosh)
	Creating a 3D Multi-Dataset Bubble in Support of OGC Testbed-19 and Metaverse Standards Prototypes. (Clarke, James; Smyth, Steve; Smith, Rob; Morley, Jeremy)	Digital Twins: Simulating Robot-Human Sidewalk Interactions. (Hassan, Ali; Usman, Muhammad; Kremer, Melissa; Yang, Seungho; Luubert, Micheal; Faloutsos, Petros; Hall, Brent G.; Sohn, Gunho)
14:45 – 15.15	AFTERNOON COFFEE/TEA BREAK
15:15 – 17:00	PRESENTATIONS – Evening Session (Session 3)
	Track A – GIS / BIM Integration (D1-S3-A) Location: HS1 (Hörsaal 1) Chair: Ihab Hijazi	Track B – 3D Data Modelling and Topology (D1-S3-B) Location: HS2 (Hörsaal 2) Chair: Claire Ellul
	Assessment of the LoD specification for the integration of BIM-derived building models in 3D city model. (Vaart, Jasper van der; Stoter, Jantien; Diakité, Abdoulaye; Biljecki, Filip; Ohori, Ken Arroyo; Hakim, Amir)	A Level of as-is Detail Concept for Digital Twins of Roads – Case Study. (Crampen, David; Hein, Marcel; Blankenbach, Jörg)
	IFC georeferencing for OSM. (Tauscher, Helga; Heigener, Dominik; Krishnakumar, Subhashini; Graichen, Thomas; Schmidt, Rebecca; Richter, Julia)	Digital geoTwin: a CityGML-based data model for a virtual replica of the City of Vienna. (Lehner, Hubert; Kordasch, Sara Lena; Glatz, Charlotte; Agugiaro, Giorgio)
	Merging BIM, Land Use and 2D Cadastral Maps into a Digital Twin Fit-for-Purpose Geospatial Infrastructure. (Andritsou, Dimitra; Soile, Sofia; Potsiou, Chryssy)	A Hierarchy of Levels of Detail for 3D Utility Network Models. (Chen, Zihan; Pouliot, Jacynthe; Hubert, Frédéric)
	Artificial Intelligence for the automated creation of multi-scale digital twins of the built world – AI4TWINNING. (Borrmann, André; Biswanath, Manoj; Braun, Alex; Chen, Zhaiyu; Cremers, Daniel; Heeramaglore, Medhini; Hoegner, Ludwig; Mehranfar, Mansour; Kolbe, Thomas; Petzold, Frank; Rueda, Alejandro; Solonets, Sergei; Zhu, Xiao Xiang)	Topological representation of a 4D cell complex and its dual–feasibility study. (Boguslawski, Pawel)
	Development of a Geo to BIM converter: CityJSON importer plugin for Autodesk Revit. (Hakim, Amir; van der Vaart, Jasper; Ohori, Ken Arroyo; Stoter, Jantien)	3D Topology Rules Implementation in Spatial Database. (Salleh, Syahiirah; Ujang, Uznir; Azri, Suhaibah)
19:00 Onwards	CONFERENCE DINNER @Augustiner Stammhaus, Neuhauser Str. 27, Munich City Center.
	The 3DGeoInfo Journey from 2006 to 2022 – A Reflection (Alias Abdul Rahman)
	Presentation of Awards (Thomas H. Kolbe)

THURSDAY – 14. SEPTEMBER 2023 – 3DGEOINFO CONFERENCE @TUM, Garching – Informatics Department – Boltzmannstraße 3, Munich
09:00 – 09:55	INTRODUCTORY SESSION Location: HS1 (Hörsaal 1)
	KEYNOTE Research Insights and Perspectives of Urban Digital Twins (Filip Biljecki, Professor at the National University of Singapore)
	Short Presentation by ESRI Deutschland GmbH (Platinum Sponsor)
09:55 – 10:30	MORNING COFFEE/TEA BREAK
10:30 – 12:15	PRESENTATIONS – Morning Session (Session 1)
	Track A – 3D Data Acquisition, Analysis, and Simulation for Urban Digital Twins (D2-S1-A) Location: HS1 (Hörsaal 1) Chair: Youness Dehbi	Track B – Software and Tools for 3D spatial data (D2-S1-B) Location: HS2 (Hörsaal 1) Chair: Mila Koeva
	Enriched semantic 3D point clouds: An alternative to 3D City models for Digital Twin for Cities? (Jeddoub, Imane; Ballouch, Zouhair; Hajji, Rafika; Billen, Roland)	OGC Data Exchange Toolkit: Interoperable and Reusable 3D data at the end of the OGC Rainbow. (Noardo, Francesca; Atkinson, Rob; Simonis, Ingo; Villar, Alejandro; Zaborowski, Piotr)
	Unsupervised Roofline Extraction from True Orthophotos for LoD2 Building Model Reconstruction. (Gao, Weixiao; Peters, Ravi; Stoter, Jantien)	cjdb: A simple, fast, and lean database solution for the CityGML data model. (Powałka, Leon; Poon, Chris; Xia, Yitong; Meines, Siebren; Yan, Lan; Cai, Yuduan; Stravopoulou, Gina; Dukai, Balázs; Ledoux, Hugo)
	Enhancing Realism in Urban Simulations: A Mapping Framework for the German National Standard XPlanung and CityGML. (Zahid, Hamza; Hijazi, Ihab; Donabauer, Andreas; Kolbe, Thomas H.)	Introducing the 3DCityDB-Tools plug-in for QGIS. (Agugiaro, Giorgio; Pantelios, Konstantinos; León-Sánchez, Camilo; Yao, Zhihang; Nagel, Claus)
	An Alternative Raw Data Acquisition Approach for Reconstruction of LOD3 Models. (Frank, Florian; Hoegner, Ludwig; Buckel, Peter; Dalm, Kris)	Challenges and Steps Toward Implementing 3D Cadastral Database – Physical Data Model of LADM. (Shahidinejad, Javad; Kalantari, Mohsen; Rajabifard, Abbas)
	Identification and Interpretation of Change Patterns in Semantic 3D City Models. (Nguyen, Son H.; Kolbe, Thomas H.)	Optim3D: Efficient and scalable generation of large-scale 3D building models. (Yarroudh, Anass; Kharroubi, Abderrazzaq; Billen, Roland)
12:15 – 13:15	LUNCH
13:15 – 15:00	PRESENTATIONS – Afternoon Session (Session 2)
	Track A – Deriving 3D models from point clouds (D2-S2-A) Location: HS1 (Hörsaal 1) Chair: Roland Billen	Track B – Sensors and dynamic data in Urban Digital Twins (D2-S2-B) Location: HS2 (Hörsaal 2) Chair: Sisi Zlatanova
	Reconstructing façade details using MLS point clouds and Bag-of-Words approach. (Fröch, Thomas; Wysocki, Olaf; Hoegner, Ludwig; Stilla, Uwe)	Dynamic Digital Twins: Challenges, Perspectives and Practical Implementation from a City’s Perspective. (Richter, Rico; Knospe, Frank; Trapp, Matthias; Döllner, Jürgen)
	Generating 3D Roof Models from ALS Point Clouds using Roof Line Topologies. (Kong, Gefei; Fan, Hongchao)	Humans as Sensors in Urban Digital Twins. (Lei, Binyu; Su, Yunlei; Biljecki, Filip)
	MLS2LoD3: Refining low LoDs building models with MLS point clouds to reconstruct semantic LoD3 building models. (Wysocki, Olaf; Hoegner, Ludwig; Stilla, Uwe)	Visualisation Requirements for Integrated 3D City Models and Sensor Data in Urban Digital Twins. (Gitahi, Joseph; Kolbe, Thomas H.)
	Semantic segmentation of buildings using multisource ALS data. (Walicka, Agata; Pfeifer, Norbert)	Investigation of CityGML 3.0 for modelling temporal aspects in underground land administration. (Saeidian, Bahram; Rajabifard, Abbas; Atazadeh, Behnam; Kalantari, Mohsen)
	Classifying point clouds at the facade-level using geometric features and deep learning networks. (Tan, Yue; Wysocki, Olaf; Stilla, Uwe; Hoegner, Ludwig)	Integrating dynamic data with 3D city models via CityJSON extension. (Boumhidi, Khawla; Nys, Gilles-Antoine; Hajji, Rafika)
15:00 – 15:30	AFTERNOON COFFEE/TEA BREAK (Grab your drinks for the closing ceremony)
15:30 – 16:00	CLOSING Location: HS1 (Hörsaal 1)
	Conclusion of Conference and announcement of next year’s conference details

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