Journal of Jilin University(Engineering and Technology Edition) ›› 2026, Vol. 56 ›› Issue (1): 219-230.doi: 10.13229/j.cnki.jdxbgxb.20240586

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Pavement distress identification method based on improved simAM-YOLOv8

Fei SHAN1,2(),Hui LI1(),Hao SUN2,Shi-gang NIE2,Zhong-hu SHEN2   

  1. 1.Key Laboratory of Road and Traffic Engineering,Ministry of Education,Tongji University,Shanghai 201804,China
    2.Henan Transportation Development Research Institute Co. ,Ltd. ,Zhengzhou 450066,China
  • Received:2024-05-26 Online:2026-01-01 Published:2026-02-03
  • Contact: Hui LI E-mail:shanfei@tongji.edu.cn;hli@tongji.edu.cn

Abstract:

To solve the problems of multi-modal data and low recognition accuracy in road pavement distress detection, an improved pavement multi-distress recognition algorithm based on the YOLOv8 model enhanced with the non-parametric attention mechanism simAM is proposed. Utilizing the self-owned pavement distress dataset, Res2Net is embedded into the YOLOv8 structure to enhance multi-scale feature extraction capabilities while maintaining similar computational loads. The simAM module is employed to further adjust the weights of feature maps at different scales, improving the detection of targets. Genetic algorithm is used to increase the speed of automatic parameter searching for the model, and image enhancement techniques such as HSV and Mosaic are employed to expand the small sample distresss. Experimental results show that the improved simAM-YOLOv8 algorithm significantly improves accuracy and recall rates for various pavement distresss such as cracks, broken panels, repairs, etc., on asphalt, cement, and other road surfaces. Specifically, the precision rate has increased by 15.3% and the recall rate has increased by 13.1% compared to the original network, demonstrating excellent intelligent recognition performance, and playing an important role in automated detection of highway conditions.

Key words: intelligent transportation, pavement distress, recognition algorithm, simAM, YOLOv8, Res2Net

CLC Number: 

  • TP391.4
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