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|Title:||Comparison of built-up area maps produced with the global human settlement framework|
|Authors:||SABO FILIP; CORBAN CHRISTINA; FLORCZYK ANETA; FERRI STEFANO; PESARESI MARTINO; KEMPER THOMAS|
|Citation:||TRANSACTIONS IN GIS vol. 22 no. 6 p. 1406-1436|
|Type:||Articles in periodicals and books|
|Abstract:||The validation of built-up area derived from different sensors is crucial for gaining a deeper understanding of the consistency and interoperability between them. This paper, presents the methodology and the results of the inter-sensor comparison of built-up area derived from Landsat, Sentinel-1, Sentinel-2 and SPOT5/SPOT6. The assessment was performed for 13 cities across the world for which cartographic reference building footprints were available. Several validation approaches were used: cumulative built-up curve analysis, pixel by pixel performance metrics and regression analysis. The results indicate that the Sentinel-1 and Sentinel-2 highly contribute to the improved built-up area detection compared to Landsat, within the framework of the Global Human Settlement. However, Sentinel-2 tends to show high omission errors while Landsat tends to have the lowest omission error. The built-up area obtained from SPOT5/SPOT6 show high consistency with the reference data for all European cities and hence can be potentially considered as a reference dataset for wall-to-wall validation at the European level.|
|JRC Directorate:||Space, Security and Migration|
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