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Autores principales: Huo, Bingcong, Wang, Zhiming
Formato: Preprint
Publicado: 2025
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Acceso en línea:https://arxiv.org/abs/2510.26630
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author Huo, Bingcong
Wang, Zhiming
author_facet Huo, Bingcong
Wang, Zhiming
contents To address the challenges in UAV object detection, such as complex backgrounds, severe occlusion, dense small objects, and varying lighting conditions,this paper proposes PT-DETR based on RT-DETR, a novel detection algorithm specifically designed for small objects in UAV imagery. In the backbone network, we introduce the Partially-Aware Detail Focus (PADF) Module to enhance feature extraction for small objects. Additionally,we design the Median-Frequency Feature Fusion (MFFF) module,which effectively improves the model's ability to capture small-object details and contextual information. Furthermore,we incorporate Focaler-SIoU to strengthen the model's bounding box matching capability and increase its sensitivity to small-object features, thereby further enhancing detection accuracy and robustness. Compared with RT-DETR, our PT-DETR achieves mAP improvements of 1.6% and 1.7% on the VisDrone2019 dataset with lower computational complexity and fewer parameters, demonstrating its robustness and feasibility for small-object detection tasks.
format Preprint
id arxiv_https___arxiv_org_abs_2510_26630
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle PT-DETR: Small Target Detection Based on Partially-Aware Detail Focus
Huo, Bingcong
Wang, Zhiming
Computer Vision and Pattern Recognition
To address the challenges in UAV object detection, such as complex backgrounds, severe occlusion, dense small objects, and varying lighting conditions,this paper proposes PT-DETR based on RT-DETR, a novel detection algorithm specifically designed for small objects in UAV imagery. In the backbone network, we introduce the Partially-Aware Detail Focus (PADF) Module to enhance feature extraction for small objects. Additionally,we design the Median-Frequency Feature Fusion (MFFF) module,which effectively improves the model's ability to capture small-object details and contextual information. Furthermore,we incorporate Focaler-SIoU to strengthen the model's bounding box matching capability and increase its sensitivity to small-object features, thereby further enhancing detection accuracy and robustness. Compared with RT-DETR, our PT-DETR achieves mAP improvements of 1.6% and 1.7% on the VisDrone2019 dataset with lower computational complexity and fewer parameters, demonstrating its robustness and feasibility for small-object detection tasks.
title PT-DETR: Small Target Detection Based on Partially-Aware Detail Focus
topic Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2510.26630