Papers › Weed mapping in multispectral drone imagery using lightweight vision transformers
Weed mapping in multispectral drone imagery using lightweight vision transformers
Giovanna Castellano, Pasquale De Marinis, Gennaro Vessio
In precision agriculture, non-invasive remote sensing can be used to observe crops and weeds in visible and non-visible spectra. This paper proposes a novel approach for weed mapping using lightweight Vision Transformers. The method uses a lightweight Transformer architecture to process high-resolution aerial images obtained from drones and performs semantic segmentation to distinguish between crops and weeds. The method also employs specific architectural designs to enable transfer learning from RGB weights in a multispectral setting. For this purpose, the WeedMap dataset, acquired by drones equipped with multispectral cameras, was used. The experimental results demonstrate the effectiveness of the proposed method, exceeding the state-of-the-art. Our approach also enables more efficient mapping, allowing farmers to quickly and easily identify infested areas and prioritize their control efforts. These results encourage using drones as versatile computer vision flying devices for herbicide management, thereby improving crop yields. The code is available at https://github.com/pasqualedem/LWViTs-for-weedmapping.
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