Fused dispersive convolution and spatial attention-based magnetic tile defect detection method and device

By introducing divergent convolution and spatial attention mechanisms into the magnetic tile defect detection model, optimizing the backbone network and feature fusion, the problems of low contrast and multi-scale defect detection are solved, and high-precision, lightweight magnetic tile defect detection is achieved.

CN122415549APending Publication Date: 2026-07-17HUNAN OPEN UNIV (HUNAN PROVINCIAL CADRE EDUCATION & TRAINING ONLINE COLLEGE)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HUNAN OPEN UNIV (HUNAN PROVINCIAL CADRE EDUCATION & TRAINING ONLINE COLLEGE)
Filing Date
2026-04-26
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing magnetic tile defect detection models are insufficient in low-contrast and multi-scale defect feature extraction, have low fusion efficiency, and are difficult to achieve high-precision real-time detection on embedded devices, resulting in robustness and deployment adaptability issues.

Method used

A magnetic tile defect detection method that integrates divergent convolution and spatial attention is adopted. By replacing the standard convolutional layers of the backbone network with divergent convolutional layers, and combining the DFEB and SAM modules for feature fusion, the backbone network is optimized to enhance the feature extraction capability, and the computational load is reduced through a lightweight network architecture.

Benefits of technology

It improves the ability to capture features of low-contrast and multi-scale defects, enhances the model's adaptability and detection accuracy for small, medium and large-scale defects, reduces computational complexity, and is suitable for deployment in embedded devices.

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Abstract

本发明公开融合发散卷积与空间注意力的磁瓦缺陷检测方法及装置,本方法以公开磁瓦表面缺陷数据集为原始数据,经数据增强与样本划分,构建标准化磁瓦缺陷数据集。以YOLOv8n为基线搭建YOLO‑DC检测模型,采用集成DFEB模块的发散卷积替换骨干网络标准卷积,提取多尺度原始特征图。在颈部网络配置DML与SAM模块,依次完成特征强化、多层级特征拼接融合与注意力加权优化,生成浅层融合特征、优化中层特征及优化深层特征。利用解耦检测头输出不同尺度缺陷预测结果,结合非极大值抑制处理,完成磁瓦表面缺陷检测。本发明解决了现有技术存在的对低对比度、多尺度缺陷特征提取不足。
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