LMAD-YOLO: A vehicle image detection algorithm for drone aerial photography based on multi-scale feature fusion

Xue Xing, Fahui Luo, Le Wan, Kang Lu, Yuqi Peng and Xiujuan Tian

PLOS ONE, 2025, vol. 20, issue 7, 1-21

Abstract: In the process of UAV small target vehicle detection, it is difficult to extract the features because of the small target shape of the vehicle, the environment noise is big, the vehicles are dense and easy to miss detection. The LMAD-YOLO model is proposed, and the MultiEdgeEnhancer module is designed to enhance the edge information and enhance the feature capture through a series of operations. Large Separable Kernel Attention and SPPF are combined to form MSPF module, which can realize multi-scale perception aggregation and improve the ability of distinguishing small targets from interference. Adown module is introduced to replace the model of sampling, in order to reduce the parameters and computational complexity while enhancing the accuracy of small target detection. A Multidimensional Diffusion Fusion Pyramid Network is designed, in which Dasi and feature spread mechanism are used to fuse features to reduce the error detection and missed detection. Compared with YOLO11n model P, R, MAP50 of the improved model on DroneVehicle data set were increased by 2.4%,1.4%,2.2% respectively. The model also showed good generalization ability on the VisDrone data set.

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0328248

DOI: 10.1371/journal.pone.0328248

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