Beyond Clear Skies: Synthetic Seasonal and Weather Variations for Real-World Drone Detection

• URL: http://arxiv.org/abs/2608.16191v1
• Date: Mon, 17 Aug 2026 07:14:45 GMT
• Title: Beyond Clear Skies: Synthetic Seasonal and Weather Variations for Real-World Drone Detection
• Abstract summary: We introduce SynDroneVision-Weather (SDV-W), an extension of SynDroneVision (SDV) targeting adverse-weather and seasonal domain shifts in urban drone detection.<n>SDV-W comprises 55,187 annotated high-resolution images from three urban environments, rendered across three seasonal configurations and diverse weather conditions.<n>We show that SDV-W improves detector reliability under adverse appearance shifts, reduces missed detections and false alarms, and is most effective as a complement to general-purpose synthetic drone-detection data.
• Score: 0.981328290471248
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Reliable drone detection under real-world deployment conditions requires training data that spans the full operational design domain, including adverse weather and seasonal appearance variation. However, acquiring and annotating such data at scale remains highly resource-intensive, as adverse-weather conditions are inherently difficult to control, reproduce, and sample systematically. Existing datasets therefore typically provide only limited coverage of such conditions. Conversely, synthetic data offers a scalable alternative: environmental variation becomes controllable, while modern game-engine-based pipelines provide realistic rendering and automatic annotations. Leveraging this potential, we introduce SynDroneVision-Weather (SDV-W), an systematic extension of SynDroneVision (SDV) targeting adverse-weather and seasonal domain shifts in urban drone detection. SDV-W comprises 55,187 annotated high-resolution images from three urban environments, rendered across three seasonal configurations and diverse weather conditions, including rain, snow, and fog at multiple severity levels. By preserving SDV's scene and trajectory configuration, SDV-W enables matched clean-adverse comparisons and quantification of condition-specific detector degradation. Across representative YOLO models and real-world datasets, we show that SDV-W improves detector reliability under adverse appearance shifts, reduces missed detections and false alarms, and is most effective as a complement to general-purpose synthetic drone-detection data. SDV-W will be publicly released upon paper acceptance.

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