Facing the challenges of vehicle detection from a UAV perspective, such as small targets, occlusions, and dense arrangements, this paper proposes a lightweight vehicle and pedestrian detection algorithm based on YOLOv8n: FDT-YOLOv8. In the neck, the original PA-FPN structure is replaced with the Focusing Diffusion Pyramid Network (FDPN) to enrich the features of contextual information. Secondly, the Task Align Dynamic Detection Head (TADD-Head) is used to replace the original Decoupled-Head, which has been proven to enhance the detection head’s localization and classification performance. By employing shared convolutions, the number of parameters can be significantly reduced, making the model more lightweight. Experimental results show that the model’s parameter count is reduced by 13%, and mAP@0.5 is increased by 4%, achieving the requirement of lightweight design.
Improved Vehicle and Pedestrian Detection from UAV Perspective Based on Lightweight YOLOv8n
01.11.2024
1429265 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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