Author
Listed:
- Giovanni Giacco
(Department of Electrical Engineering and Information Technology (DIETI), University of Naples Federico II, Via Claudio 21, 80125 Naples, Italy
Latitudo 40, Via Emanuele Gianturco 31/c, 80146 Naples, Italy)
- Stefano Marrone
(Department of Electrical Engineering and Information Technology (DIETI), University of Naples Federico II, Via Claudio 21, 80125 Naples, Italy)
- Giuliano Langella
(Department of Agriculture, University of Naples Federico II, Via Università 100, 80055 Naples, Italy)
- Carlo Sansone
(Department of Electrical Engineering and Information Technology (DIETI), University of Naples Federico II, Via Claudio 21, 80125 Naples, Italy)
Abstract
Continual mapping and monitoring of impervious surfaces are crucial activities to support sustainable urban management strategies and to plan effective actions for environmental changes. In this context, impervious surface coverage is increasingly becoming an essential indicator for assessing urbanization and environmental quality, with several works relying on satellite imagery to determine it. However, although satellite imagery is typically available with a frequency of 3–10 days worldwide, imperviousness maps are released at most annually as they require a huge human effort to be produced and validated. Attempts have been made to extract imperviousness maps from satellite images using machine learning, but (i) the scarcity of reliable and detailed ground truth (ii) together with the need to manage different spectral bands (iii) while making the resulting system easily accessible to the end users is limiting their diffusion. To tackle these problems, in this work we introduce a deep-learning-based approach to extract imperviousness maps from multi-spectral Sentinel-2 images leveraging a very detailed imperviousness map realised by the Italian department for environment protection as ground truth. We also propose a scalable and portable inference pipeline designed to easily scale the approach, integrating it into a web-based Geographic Information System (GIS) application. As a result, even non-expert GIS users can quickly and easily calculate impervious surfaces for any place on Earth (accuracy > 95 % ), with a frequency limited only by the availability of new satellite images.
Suggested Citation
Giovanni Giacco & Stefano Marrone & Giuliano Langella & Carlo Sansone, 2022.
"ReFuse: Generating Imperviousness Maps from Multi-Spectral Sentinel-2 Satellite Imagery,"
Future Internet, MDPI, vol. 14(10), pages 1-20, September.
Handle:
RePEc:gam:jftint:v:14:y:2022:i:10:p:278-:d:928339
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