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Distribution equalization learning mechanism for road crack detection
Fang, Jie1,2; Qu, Bo1; Yuan, Yuan3
作者部门光谱成像技术研究室
2021-02-01
发表期刊Neurocomputing
ISSN09252312;18728286
卷号424页码:193-204
产权排序1
摘要

Visual-based road crack detection becomes a hot research topic over the last decade because of its huge application demands. Road crack detection is actually a special form of salient object detection task, whose objects are small and distribute randomly in the image compared to the traditional ones, which increase the difficulty of detecting. Most conventional methods utilize bottom information, such as color, texture, and contrast, to extract the crack regions in the image. Even though these methods can achieve satisfactory performances for images with simple scenarios, they are easily interfered by some factors such as light and shadow, which may decrease the detection result directly. Inspired by the competitive performances of deep convolutional neural networks on many visual tasks, we propose a distribution equalization learning mechanism for road crack detection in this paper. Firstly, we consider the crack detection task as a pixel-level classification and use a U-Net based architecture to finalize it. Secondly, the occurrence probability of crack and non-crack are so different, which results in the ill-conditioned classifier and undesirable detection performance, especially the high false detection rate. In this case, we propose a weighted cross entropy loss term and a data augmentation strategy to avoid influence from imbalanced samples through emphasizing the crack regions. Additionally, we propose an auxiliary interaction loss, and combine it with the popular self-attention strategy to alleviate the fracture situations through considering relationships among different local regions in the image. Finally, we tested the proposed method on three public and challenging datasets, and the experimental results demonstrate its effectiveness. (c) 2019 Elsevier B.V. All rights reserved.

关键词Road crack detection Salient object detection Imbalanced sample Ill conditioned classifier
DOI10.1016/j.neucom.2019.12.057
收录类别SCI ; EI
语种英语
WOS记录号WOS:000611084200019
出版者Elsevier B.V., Netherlands
EI入藏号20200107963384
引用统计
被引频次:26[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/94225
专题光谱成像技术研究室
通讯作者Fang, Jie
作者单位1.Key Laboratory of Spectral Imaging Technology CAS, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; Shaanxi; 710119, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China;
3.Center for OPTical IMagery Analysis and Learning (OPTIMAL), Northwestern Polytechnical University, Xi'an; 710072, China
推荐引用方式
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Fang, Jie,Qu, Bo,Yuan, Yuan. Distribution equalization learning mechanism for road crack detection[J]. Neurocomputing,2021,424:193-204.
APA Fang, Jie,Qu, Bo,&Yuan, Yuan.(2021).Distribution equalization learning mechanism for road crack detection.Neurocomputing,424,193-204.
MLA Fang, Jie,et al."Distribution equalization learning mechanism for road crack detection".Neurocomputing 424(2021):193-204.
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