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Content Provider | IET Digital Library |
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Author | Shen, Jiaquan Liu, Ningzhong Sun, Han |
Abstract | With the rapid development of the electronic industry, the defect detection of printed circuit board (PCB) components is becoming more and more important. The types of PCB components are diverse and accompanied by complex character information, which is difficult to identify. The traditional detection method is inefficient, and it is unable to effectively perform the diversified category detection of PCB components and character recognition in complex scenes. The deep convolutional neural network has obvious advantages in object detection and character recognition, which can be used to implement a PCB component defect detection system. In this study, the authors have established a lightweight PCB type detection model called LD-PCB, which can perform real-time detection while improving detection accuracy. In addition, in the character detection of PCB, they have established a fast and robust character recognition model, called CR-PCB. This model can effectively improve the accuracy of irregular character recognition. Finally, they established and published a dataset of PCB components, and combined with LD-PCB and CR-PCB to realise the PCB defect detection system. This system can realise the functions of defect detection, wrong insertion, missing insertion, and character recognition in industrial PCB production. The results show that the method proposed in this study can effectively detect defects on PCB components. |
Starting Page | 3932 |
Ending Page | 3940 |
Page Count | 9 |
ISSN | 17519659 |
Volume Number | 14 |
e-ISSN | 17519667 |
Issue Number | Issue 15, Dec (2020) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-ipr/14/15 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-ipr.2020.0841 |
Journal | IET Image Processing |
Publisher Date | 2020-12-04 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Automatic Optical Inspection Called CR-PCB Character Recognition Complex Character Information Computer Vision And Image Processing Technique Convolutional Neural Nets Deep Convolutional Neural Network Detection Accuracy Diversified Category Detection Electronic Engineering Computing Fast Character Recognition Model Feature Extraction Image Recognition Industrial Application of IT Industrial PCB Production Irregular Character Recognition LD-PCB Lightweight Deep Convolution Network Lightweight PCB Type Detection Model Object Detection PCB Component PCB Component Defect Detection System PCB Defect Detection System Printed Circuit Board Component Printed Circuit Manufacture Production Engineering Computing Real-time Detection Robust Character Recognition Model Traditional Detection Method |
Content Type | Text |
Resource Type | Article |
Subject | Signal Processing Electrical and Electronic Engineering Computer Vision and Pattern Recognition Software |
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