化学品特种钢表面缺陷的多类小目标检测算法

IF 1.9 3区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY Frontiers in Physics Pub Date : 2024-08-30 DOI:10.3389/fphy.2024.1451165
Yuanyuan Wang, Shaofeng Yan, Hauwa Suleiman Abdullahi, Shangbing Gao, Haiyan Zhang, Xiuchuan Chen, Hu Zhao
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引用次数: 0

摘要

简介:化工特种钢广泛应用于化工设备制造等领域,其表面的微小缺陷(如裂纹、冲孔等)在恶劣环境下容易引发严重事故:针对这一问题,本文提出了一种基于 YOLOv8 的改进型化学特殊钢缺陷检测算法。首先,为了有效捕捉局部和全局信息,提出了一种用于特征提取的 ParC2Net(Parallel-C2f)结构,它能准确捕捉钢材缺陷的细微特征。其次,将损失函数调整为 MPD-IOU,利用其动态非单调聚焦特性,有效解决了低质量目标边界框的过拟合问题。此外,利用 RepGFPN 融合多尺度特征,深化语义与空间信息的交互,显著提高跨层信息传输效率。最后,采用RexSE-Head(ResNeXt-Squeeze-Excitation)设计,提高了小缺陷目标的定位精度。结果与讨论:实验结果表明,改进模型的mAP@0.5,达到了93.5%,参数数仅为3.29M,实现了化学特种钢中小缺陷检测的高精度和高响应性能,凸显了模型的实际应用价值。代码见 https://github.com/improvment/prs-yolo。
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Multiclass small target detection algorithm for surface defects of chemicals special steel
Introduction: Chemical special steels are widely used in chemical equipment manufacturing and other fields, and small defects on its surface (such as cracks and punches) are easy to cause serious accidents in harsh environments.Methods: In order to solve this problem, this paper proposes an improved defect detection algorithm for chemical special steel based on YOLOv8. Firstly, in order to effectively capture local and global information, a ParC2Net (Parallel-C2f) structure is proposed for feature extraction, which can accurately capture the subtle features of steel defects. Secondly, the loss function is adjusted to MPD-IOU, and its dynamic non-monotonic focusing characteristics are used to effectively solve the overfitting problem of the bounding box of low-quality targets. In addition, RepGFPN is used to fuse multi-scale features, deepen the interaction between semantics and spatial information, and significantly improve the efficiency of cross-layer information transmission. Finally, the RexSE-Head (ResNeXt-Squeeze-Excitation) design is adopted to enhance the positioning accuracy of small defect targets.Results and discussion: The experimental results show that the mAP@0.5 of the improved model reaches 93.5%, and the number of parameters is only 3.29M, which realizes the high precision and high response performance of the detection of small defects in chemical special steels, and highlights the practical application value of the model. The code is available at https://github.com/improvment/prs-yolo.
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来源期刊
Frontiers in Physics
Frontiers in Physics Mathematics-Mathematical Physics
CiteScore
4.50
自引率
6.50%
发文量
1215
审稿时长
12 weeks
期刊介绍: Frontiers in Physics publishes rigorously peer-reviewed research across the entire field, from experimental, to computational and theoretical physics. This multidisciplinary open-access journal is at the forefront of disseminating and communicating scientific knowledge and impactful discoveries to researchers, academics, engineers and the public worldwide.
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