Research on Image Recognition Algorithm of Weld Defect Based on Deep Learning
DOI: 10.23977/acss.2022.060111 | Downloads: 14 | Views: 645
Author(s)
Hanchang Wang 1, XueMei Yu 2
Affiliation(s)
1 Qingdao Special Equipment Inspection and Testing Institute Co., Ltd, Qingdao, 266100 Shandong, China
2 Qingdao Angu Technology Co., Ltd, Qingdao, 266121 Shandong, China
Corresponding Author
Hanchang WangABSTRACT
Aiming at the problem that the traditional deep learning model is not effective in detecting small defects, a weld defect detection algorithm based on the improved deep learning FasteRCNN model is proposed. The algorithm extracts multi-scale feature maps through multi-layer feature network and acts on the subsequent links of the model together, so as to make full use of the low-level features in the model and increase the detailed information. The area generation network of the model is improved, and a variety of sliding windows are added, so that the aspect ratio of the anchor point of the model is optimized and the detection ability is improved. Two different activation functions in the hidden layer of convolutional neural network are verified by experiments, and optimization methods are put forward. The deep learning neural network can avoid extracting the features of weld defect images and directly judge whether the suspected defect images are defects. Experiments on 580 images show that the recognition accuracy of SDR images by the proposed method is over 98%, which is superior to traditional methods. And that design system has the characteristics of automatically learn complex depth features in X-ray weld defect images, and has strong practicability.
KEYWORDS
Deep learning, Weld defects, Image recognition, Algorithm researchCITE THIS PAPER
Hanchang Wang, XueMei Yu, Research on Image Recognition Algorithm of Weld Defect Based on Deep Learning. Advances in Computer, Signals and Systems (2022) Vol. 6: 83-89. DOI: http://dx.doi.org/10.23977/acss.2022.060111.
REFERENCES
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