Interpretability Analysis of Convolutional Neural Networks for Crack Detection

被引:4
|
作者
Wu, Jie [1 ]
He, Yongjin [2 ]
Xu, Chengyu [3 ]
Jia, Xiaoping [3 ]
Huang, Yule [2 ]
Chen, Qianru [4 ]
Huang, Chuyue [1 ]
Eslamlou, Armin Dadras [2 ]
Huang, Shiping [2 ]
机构
[1] Wuhan Polytech Univ, Sch Civil Engn & Architecture, Wuhan 430023, Peoples R China
[2] South China Univ Technol, Sch Civil Engn & Transportat, Guangzhou 510640, Peoples R China
[3] China Railway 17th Bur Grp Guangzhou Co Ltd, Guangzhou 510799, Peoples R China
[4] South China Normal Univ, Sch Elect & Informat Engn, Foshan 528225, Peoples R China
关键词
structural health monitoring; crack detection; interpretability analysis; convolutional neural network;
D O I
10.3390/buildings13123095
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
Crack detection is an important task in bridge health monitoring, and related detection methods have gradually shifted from traditional manual methods to intelligent approaches with convolutional neural networks (CNNs) in recent years. Due to the opaque process of training and operating CNNs, if the learned features for identifying cracks in the network are not evaluated, it may lead to safety risks. In this study, to evaluate the recognition basis of different crack detection networks; several crack detection CNNs are trained using the same training conditions. Afterwards, several crack images are used to construct a dataset, which are used to interpret and analyze the trained networks and obtain the learned features for identifying cracks. Additionally, a crack identification performance criterion based on interpretability analysis is proposed. Finally, a training framework is introduced based on the issues reflected in the interpretability analysis.
引用
收藏
页数:14
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