URBAN SITES CHANGE DETECTION BY MEANS OF SENTINEL-1 AND SENTINEL-2 TIME SERIES

Mattia Stasolla, Sophie Petit, Coraline Wyard, Gérard Swinnen, Xavier Neyt, Eric Hallot

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureConferentiebijdragepeer review

Samenvatting

The Walloon Region is currently managing a database of more than 2000 'redevelopment sites', i.e. urban sites that were previously used for industrial activities and/or housing and that are now abandoned. The administration needs to keep this inventory up-to-date so that the necessary urban planning could be done; however, at the moment, this information is obtained via time-consuming on field campaigns. Thanks to the launch of the Copernicus programme, free satellite data are now provided at high temporal resolution, and new monitoring approaches can be implemented. Leveraging a well-established changepoint detection method, this paper shows some preliminary results on how time series of Sentinel-1 and Sentinel-2 data could be jointly used to automatically detect changes in urban areas, thus providing the Walloon Region with a tool that can be exploited for a more efficient management of the 'redevelopment sites'.

Originele taal-2Engels
Titel Proceedings of the 2021 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2021
Pagina's1065-1068
Aantal pagina's4
DOI's
StatusGepubliceerd - 2021
Evenement2021 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2021 - Brussels, België
Duur: 12 jul. 202116 jul. 2021

Congres

Congres2021 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2021
Land/RegioBelgië
StadBrussels
Periode12/07/2116/07/21

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