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Research on Road Crack Detection Technology Based on Improved YOLOv8n

2026 · Academic Journal of Architecture and Geotechnical Engineering · 0 citations · 2 references

TL;DR

The HPA (Hybrid Pooling Attention) module in the YOLOv8n Neck stage is introduced, which combines average pooling and max pooling with cross space learning to enhance the transmission and fusion of multi-scale crack features and alleviate information attenuation in feature propagation.

Abstract

: The detection of road and cracks is crucial for the safe operation and maintenance of infrastructure, but in practical scenarios, complex backgrounds and multi-scale morphological changes lead to insufficient detection accuracy of YOLOv8n baseline model. In response to this issue, this article introduces the HPA (Hybrid Pooling Attention) module in the YOLOv8n Neck stage, which combines average pooling and max pooling with cross space learning to enhance the transmission and fusion of multi-scale crack features and alleviate information attenuation in feature propagation. The improved model significantly improves the detection rate and positioning accuracy of small cracks in complex backgrounds while maintaining real-time performance, providing an efficient solution for intelligent detection of road and cracks.

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