Connector quality detection method and system based on visual measurement

By combining multi-view image acquisition and deep neural network recognition technology with adaptive illumination compensation and noise reduction processing, the problems of weak anti-interference ability and low accuracy of micron-level defect identification in connector quality inspection have been solved, realizing high-precision connector quality inspection with low false detection rate on high-speed production lines.

CN122415548APending Publication Date: 2026-07-17SHENZHEN FJY ELECTRONICS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHENZHEN FJY ELECTRONICS
Filing Date
2026-04-25
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing connector quality inspection technologies have weak anti-interference capabilities on high-speed production lines, low accuracy in identifying micron-level minute defects, and the inability to adaptively optimize inspection rules. They also lack a linkage and traceability mechanism between defects and production processes, resulting in high false detection and false negative rates, and failing to meet the requirements for high-precision and high-stability online quality inspection.

Method used

By employing multi-view image acquisition combined with adaptive illumination compensation and noise reduction preprocessing, and using a lightweight deep neural network for multi-scale feature fusion recognition, a defect end-to-end traceability mechanism is established, detection parameters are dynamically adapted, and production data feedback optimization is achieved.

Benefits of technology

It effectively reduces the risk of false detection and missed detection, accurately identifies micron-level defects, improves detection accuracy and real-time performance, adapts to the needs of high-speed production lines, realizes adaptive optimization of detection parameters and full-chain traceability of defects, and meets the requirements of high-precision and high-stability online quality inspection.

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Abstract

本发明涉及视觉测量质量检测技术领域,公开了一种基于视觉测量的连接器质量检测方法及系统,所述方法包括采集高速生产线连接器多角度图像并降噪,经几何校正与阴影补偿定位缺陷候选区域,截取高分辨率子图像标记潜在缺陷,通过空间聚类与纹理特征匹配完成缺陷分类,关联生产追溯信息优化检测规则,融合缺陷与工艺数据生成分析文档,构建反馈依据并输出生产线调整指令。本方法能够实现复杂光照下连接器微米级缺陷精准识别、检测规则自适应优化、缺陷全链路追溯与生产线闭环调控,有效降低误检漏检率,提升高速生产线检测精度与质量管控效率。
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