SiM-YOLO: A Wood Surface Defect Detection Method Based on the Improved YOLOv8

IF 2.9 3区 材料科学 Q2 MATERIALS SCIENCE, COATINGS & FILMS Coatings Pub Date : 2024-08-07 DOI:10.3390/coatings14081001
Honglei Xi, Rijun Wang, Fulong Liang, Yesheng Chen, Guanghao Zhang, Bo Wang
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Abstract

Wood surface defect detection is a challenging task due to the complexity and variability of defect types. To address these challenges, this paper introduces a novel deep learning approach named SiM-YOLO, which is built upon the YOLOv8 object detection framework. A fine-grained convolutional structure, SPD-Conv, is introduced with the aim of preserving detailed defect information during the feature extraction process, thus enabling the model to capture the subtle variations and complex details of wood surface defects. In the feature fusion stage, a SiAFF-PANet-based wood defect feature fusion module is designed to improve the model’s ability to focus on local contextual information and enhance defect localization. For classification and regression tasks, the multi-attention detection head (MADH) is employed to capture cross-channel information and the accurate spatial localization of defects. In addition, MPDIoU is employed to optimize the loss function of the model to reduce the leakage of detection due to defect overlap. The experimental results show that SiM-YOLO achieves superior performance compared to the state-of-the-art YOLO algorithm, with a 9.3% improvement in mAP over YOLOX and a 4.3% improvement in mAP over YOLOv8. The Grad-CAM visualization further illustrates that SiM-YOLO provides more accurate defect localization and effectively reduces misdetection and omission issues. This study highlights the effectiveness of SiM-YOLO for wood surface defect detection and offers valuable insights for future research and practical applications in quality control.
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SiM-YOLO:基于改进型 YOLOv8 的木材表面缺陷检测方法
由于缺陷类型的复杂性和多变性,木材表面缺陷检测是一项具有挑战性的任务。为了应对这些挑战,本文引入了一种名为 SiM-YOLO 的新型深度学习方法,该方法建立在 YOLOv8 对象检测框架之上。为了在特征提取过程中保留详细的缺陷信息,本文引入了细粒度卷积结构 SPD-Conv,从而使模型能够捕捉木材表面缺陷的微妙变化和复杂细节。在特征融合阶段,设计了基于 SiAFF-PANet 的木材缺陷特征融合模块,以提高模型对局部上下文信息的关注能力,增强缺陷定位能力。在分类和回归任务中,采用了多注意检测头(MADH)来捕捉跨通道信息和准确的缺陷空间定位。此外,还采用了 MPDIoU 来优化模型的损失函数,以减少缺陷重叠造成的检测泄漏。实验结果表明,与最先进的 YOLO 算法相比,SiM-YOLO 实现了更优越的性能,其 mAP 比 YOLOX 提高了 9.3%,比 YOLOv8 提高了 4.3%。Grad-CAM 可视化进一步说明,SiM-YOLO 能够提供更精确的缺陷定位,并有效减少误检测和遗漏问题。本研究强调了 SiM-YOLO 在木材表面缺陷检测方面的有效性,并为质量控制方面的未来研究和实际应用提供了有价值的见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Coatings
Coatings Materials Science-Surfaces, Coatings and Films
CiteScore
5.00
自引率
11.80%
发文量
1657
审稿时长
1.4 months
期刊介绍: Coatings is an international, peer-reviewed open access journal of coatings and surface engineering. It publishes reviews, research articles, communications and technical notes. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. Full experimental and/or methodical details must be provided. There are, in addition, unique features of this journal: * manuscripts regarding research proposals and research ideas will be particularly welcomed * electronic files or software regarding the full details of the calculation and experimental procedure - if unable to be published in a normal way - can be deposited as supplementary material
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