A fully automatized processing chain for high-resolution multispectral image acquisition of crop parcels by UAV
Chaîne de traitement automatisée pour l'acquisition par drone d'images multispectrales haute résolution de parcelles de culture
Résumé
In the context of the RHEA European project addressing site-specific weeding on arable crops, a complete aerial image acquisition chain has been developed, providing a geo-referenced multispectral image of a total parcel with 1 cm spatial resolution. Robust automatic ground control point detection and near infrared - visible sensor image registration modules have been implemented and associated with the MicMac photogrammetric software suite to provide a fully automatized mosaicking procedure. This procedure has been successfully applied on various maize and wheat crops for weed patch detection, but could be extended to other precision agriculture applications, especially those requiring a very high spatial resolution.
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