Geodesic
Application of convolutional neural networks for recognizing long structural elements of rails in eddy-current defectograms
Modelirovanie i analiz informacionnyh sistem, Tome 27 (2020) no. 3, pp. 316-329.

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To ensure traffic safety of railway transport, non-destructive test of rails is regularly carried out by using various approaches and methods, including eddy-current flaw detection methods. An automatic analysis of large data sets (defectograms) that come from the corresponding equipment is an actual problem. The analysis means a process of determining the presence of defective sections along with identifying structural elements of railway tracks in defectograms. This article is devoted to the problem of recognizing images of long structural elements of rails in eddy-current defectograms. Two classes of rail track structural elements are considered: 1) rolling stock axle counters, 2) rail crossings. Long marks that cannot be assigned to these two classes are conditionally considered as defects and are placed in a separate third class. For image recognition of structural elements in defectograms a convolutional neural network is applied. The neural network is implemented by using the open library TensorFlow. To this purpose each selected (picked out) area of a defectogram is converted into a graphic image in a grayscale with size of 30$\times$140 points.
Keywords: nondestructive testing, eddy-current testing, rail flaw detection, automated analysis of defectograms, neural networks. 
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     title = {Application of convolutional neural networks for recognizing long structural elements of rails in eddy-current defectograms},
     journal = {Modelirovanie i analiz informacionnyh sistem},
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E. V. Kuzmin; O. E. Gorbunov; P. O. Plotnikov; V. A. Tyukin; V. A. Bashkin. Application of convolutional neural networks for recognizing long structural elements of rails in eddy-current defectograms. Modelirovanie i analiz informacionnyh sistem, Tome 27 (2020) no. 3, pp. 316-329. http://geodesic.mathdoc.fr/item/MAIS_2020_27_3_a2/

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