Webinar Series by ISPRS TC IV
Advanced geospatial applications based on 3D urban digital twins
Date/Time: April 7th, 2022; 9:00 CEST, 10:00 EEST, 15:00 SGT, 16:00 KST
ISPRS WG IV/10 (Advanced Geospatial Applications for Smart Cities and Regions) Webinar
Moderators: Dr. Giorgio Agugiaro (Delft University of Technology, The Netherlands), Dr. Mila Koeva (University of Twente, The Netherlands), Dr. Tu Wei (Shenzhen University, China), Dr. Filip Biljecki (National University of Singapore, Singapore)
Lecture 1
Assoc. Prof. Dr. Dessislava Petrova-Antonova (Sofia University "St. Kliment Ohridski", GATE Institute, Bulgaria) (dessislava.petrova@gate-ai.eu)
Title: Digital twins for urban planning and design
Dessislava Petrova-Antonova is an associate professor in Software engineering at the Faculty of Mathematics and Informatics and a Research leader of the Data Management Research Unit of GATE Institute, Sofia University. She is a coordinator of the GATE pilot project “City Digital Twin,” where a 3D City Model covering an area of Sofia is under development to facilitate simulation, analysis, and visualization of urban environment and processes. Her research interests include Data management focusing on data interoperability, semantic enrichment, and domain-specific data models.
Abstract:
The presentation will highlight the application of digital twins in urban planning and design. Computer-aided decision-making is explored to mimic the design process using metaheuristic optimisation techniques in a generative-design context, based on genetic algorithms to position land use areas most economically and effectively. So far, basic functionalities have been successfully included, and more complex objectives will be incorporated. To aid the decision-making process related to the provision of public services and to maximise the benefits for society, the current demand for socio-economic infrastructure must be evaluated in terms of spatial distribution and access. The presentation will tackle such a need by showing a comprehensive method for evaluating the kindergartens and nursery demand and supply regarding accessibility.
Lecture 2
Dr. Yujin Park (Chung-Ang University, South Korea) (yujinp@cau.ac.kr)
Title: Digital twins and remote sensing for urban microclimate research: A focus on tree shade
Yujin Park is an assistant professor in the Department of Urban Planning and Real Estate at Chung-Ang University, Seoul, South Korea. She received her Ph.D. in City and Regional Planning at Ohio State University, and her MS and BA from Seoul National University. Her research aims at advancing the understanding of sustainable urban form and design, and potential trade-offs among different design strategies. Focusing on the varied roles of urban trees and green spaces in moderating urban temperatures, her work leverages the capabilities of 3D city modelling and remote sensing techniques.
Abstract:
The presentation will share the insights derived from a combination of 3D city modelling and remotely-sensed data for urban microclimate research. To address rising heat in urban areas and explore effective urban forms for cooling, 3D city models of US urban neighbourhoods are generated using heterogeneous spatial dataset. Moderate and high-resolution thermal data are used to understand the variability of urban surface temperatures across 2D/3D land covers as a result of shading by the built-up and natural urban features. The presentation will show how shades are computed on horizontal and vertical surfaces, linking the spatio-temporal shade morphology with surface cooling. Additionally, shade distribution will be compared with neighbourhood socio-economic status to assess environmental equity in shading access.