Assessing mixed-pixels effects in vineyard mapping from Satellite: A proposal for an operational solution

Assessing mixed-pixels effects in vineyard mapping from Satellite: A proposal for an operational solution

•A new method to isolate only grapevine NDVI from a Sentinel-2 mixed signal is proposed.•UAV imagery was used to retrieve vines fraction cover within Sentinel-2 pixel.•Two-endmembers spectral linear mixture model was assumed.•Pure NDVI values of endmembers was locally solved using a moving window ap...

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Veröffentlicht in:Computers and electronics in agriculture 2024-07, Vol.222, p.109092, Article 109092
Hauptverfasser: De Petris, S., Sarvia, F., Parizia, F., Ghilardi, F., Farbo, A., Borgogno-Mondino, E.
Format: Artikel
Sprache:eng
Schlagworte:
NDVI
Sentinel-2
Spectral Unmixing
UAV
Vineyards
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Beschreibung
Zusammenfassung:•A new method to isolate only grapevine NDVI from a Sentinel-2 mixed signal is proposed.•UAV imagery was used to retrieve vines fraction cover within Sentinel-2 pixel.•Two-endmembers spectral linear mixture model was assumed.•Pure NDVI values of endmembers was locally solved using a moving window approach.•MAPE 
ISSN:0168-1699
1872-7107
DOI:10.1016/j.compag.2024.109092