Fig. 2 (IMAGE) Osaka University Caption Three-dimensional city model of our study area. (a) Example of a city digital twin with its real-world street-view counterpart (Wangan-doro Avenue, Tokyo; March 2021; latitude: 35.6283, longitude: 139.7782). (b) Aerial view of the city digital twin. Credit 2022 Jiaxin Zhang et al., Automatic generation of synthetic datasets from a city digital twin for use in the instance segmentation of building facades, Journal of Computational Design and Engineering Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.