• KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

Oil Pipeline Weld Defect Identification System Based on Convolutional Neural Network


Abstract

The automatic identification and classification of image-based weld defects is a difficult task due to the complex texture of the X-ray images of the weld defect. Several depth learning methods for automatically identifying welds were proposed and tested. In this work, four different depth convolutional neural networks were evaluated and compared on the 1631 image set. The concavity, undercut, bar defects, circular defects, unfused defects and incomplete penetration in the weld image 6 different types of defects are classified. Another contribution of this paper is to train a CNN model "RayNet" for the dataset from scratch. In the experiment part, the parameters of convolution operation are compared and analyzed, in which the experimental part performs a comparative analysis of various parameters in the convolution operation, compares the size of the input image, gives the classification results for each defect, and finally shows the partial feature map during feature extraction with the classification accuracy reaching 96.5%, which is 6.6% higher than the classification accuracy of other existing fine-tuned models, and even improves the classification accuracy compared with the traditional image processing methods, and also proves that the model trained from scratch also has a good performance on small-scale data sets. Our proposed method can assist the evaluators in classifying pipeline welding defects.


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Cite this article

[IEEE Style]
J. Shang, W. An, Y. Liu, B. Han and Y. Guo, "Oil Pipeline Weld Defect Identification System Based on Convolutional Neural Network," KSII Transactions on Internet and Information Systems, vol. 14, no. 3, pp. 1086-1103, 2020. DOI: 10.3837/tiis.2020.03.010.

[ACM Style]
Jiaze Shang, Weipeng An, Yu Liu, Bang Han, and Yaodan Guo. 2020. Oil Pipeline Weld Defect Identification System Based on Convolutional Neural Network. KSII Transactions on Internet and Information Systems, 14, 3, (2020), 1086-1103. DOI: 10.3837/tiis.2020.03.010.

[BibTeX Style]
@article{tiis:23389, title="Oil Pipeline Weld Defect Identification System Based on Convolutional Neural Network", author="Jiaze Shang and Weipeng An and Yu Liu and Bang Han and Yaodan Guo and ", journal="KSII Transactions on Internet and Information Systems", DOI={10.3837/tiis.2020.03.010}, volume={14}, number={3}, year="2020", month={March}, pages={1086-1103}}