Smart City Gnosys
Smart city article details
| Title | The Digital Twin Of The Metropolitan Area Of Milan: Quality Assessment Of Aerial And Terrestrial Data |
|---|---|
| ID_Doc | 55321 |
| Authors | Franzini M.; Casella V.; Monti B. |
| Year | 2024 |
| Published | Communications in Computer and Information Science, 2088 CCIS |
| DOI | http://dx.doi.org/10.1007/978-3-031-59925-5_12 |
| Abstract | Digital twins have emerged as a promising technology for city planning and management, paving the way for the development of smart cities. Milan, Italy, has set an impressive example by planning to create a digital twin of its entire Metropolitan Area, covering a vast expanse of 1500 km2. In late 2020, a tender was issued to collect aerial nadir and oblique images, LiDAR, and terrestrial mobile mapping data. The project will generate advanced products such as true orthophoto, classified LiDAR point cloud, DTM, DSM models, MMS point clouds and spherical depth images, and a database of 22 urban objects. To ensure the accuracy and consistency of the datasets, complex GNSS and terrestrial LiDAR measurements have been included for ground control and quality checks. The surveying activities were completed, and the data were delivered in mid-2023. The paper provides an overview of the quality assessment of aerial and terrestrial data, describes the datasets, analyzes image resolution, and discusses the accuracy and precision of acquired dataset, LiDAR, and imagery. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2024. |
| Author Keywords | City digital twin; hybrid sensor; imagery; LiDAR data; quality assessment |
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