Towards Robust Deep Learning-based Rumex Obtusifolius Detection from Drone Images

• URL: http://arxiv.org/abs/2604.25316v1
• Date: Tue, 28 Apr 2026 07:26:23 GMT
• Title: Towards Robust Deep Learning-based Rumex Obtusifolius Detection from Drone Images
• Abstract summary: Domain adaptation (DA) addresses the challenge of transferring a machine learning model trained on a source domain to a target domain with a different data distribution.<n>In this work, we study DA for the task of Rumex obtusifolius (Rumex) image classification.<n>To support further research on DA for weed detection in grassland systems, we publicly release our UAV-based target dataset AGSMultiRumex.
• Score: 21.277200767179355
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Domain adaptation (DA) addresses the challenge of transferring a machine learning model trained on a source domain to a target domain with a different data distribution. In this work, we study DA for the task of Rumex obtusifolius (Rumex) image classification. We train models on a published, ground vehicle-based dataset (source) and evaluate their performance on a custom target dataset acquired by unmanned aerial vehicles (UAVs). We find that Convolutional Neural Network (CNN) models, specifically ResNets, generalize poorly to the target domain, even after fine-tuning on the source data. Applying moment-matching and maximum classifier discrepancy, two established DA techniques, substantially improves target-domain performance. However, Vision Transformer (ViT) models pretrained with self-supervised objectives (DINOv2, DINOv3) handle domain shifts intrinsically well, surpassing even moment-matching-trained ResNets, likely due to the rich, general-purpose representations acquired during large-scale pretraining. Using ViTs fine-tuned on the source dataset, we demonstrate high classification performances in the range of F1=0.8 on our target dataset. To support further research on DA for weed detection in grassland systems, we publicly release our UAV-based target dataset AGSMultiRumex, comprising data from 15 flights over Swiss meadows.

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