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Assessment of Image Processing Methods for the Determination of Propagation of Squat-Type Defects in Rails

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Book cover Methods and Techniques of Signal Processing in Physical Measurements (MSM 2018)

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 548))

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Abstract

We demonstrate the idea of squat-type defect measurement in the rail and the concept of tracking of the defect development using the techniques of image acquisition and image processing as well as the methods of metric spaces. We introduce the concepts of a set diameter \( \delta \left( A \right) \) and the metric \( \rho_{1} \), which come from the properties of plane figures, to compare and to observe the development of the defects.

We characterize the feasibility of the method to determine the dynamics of the defect development. The tests have shown that it is possible to apply the method with a camera during current diagnostic procedures provided that the distance to the rail is similar. Normalized metric enables easy comparison of the results and allows for the assessment of the reliability of the rails. The advantages of the method include simplicity and ability to observe the defects during the entire cycle of their development, which makes it possible to take the diagnostic decisions at the appropriate time.

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Author information

Authors and Affiliations

  1. Faculty of Civil and Environmental Engineering, Gdańsk University of Technology, Narutowicza Str. 11/12, 80-233, Gdańsk, Poland

    Eligiusz Mieloszyk, Anita Milewska & Sławomir Grulkowski

Authors
  1. Eligiusz Mieloszyk
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  2. Anita Milewska
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  3. Sławomir Grulkowski
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Corresponding author

Correspondence to Sławomir Grulkowski .

Editor information

Editors and Affiliations

  1. Faculty of Electrical and Computer Engineering, Rzeszów University of Technology, Rzeszów, Poland

    Robert Hanus

  2. Faculty of Electrical and Computer Engineering, Rzeszów University of Technology, Rzeszów, Poland

    Damian Mazur

  3. Faculty of Electrical Engineering,Electrical Machines and Drive Systems, Helmut Schmidt University ,University of the Federal Armed Forces Hamburg,, Hamburg, Hamburg, Germany

    Christian Kreischer

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Mieloszyk, E., Milewska, A., Grulkowski, S. (2019). Assessment of Image Processing Methods for the Determination of Propagation of Squat-Type Defects in Rails. In: Hanus, R., Mazur, D., Kreischer, C. (eds) Methods and Techniques of Signal Processing in Physical Measurements. MSM 2018. Lecture Notes in Electrical Engineering, vol 548. Springer, Cham. https://doi.org/10.1007/978-3-030-11187-8_17

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  • DOI: https://doi.org/10.1007/978-3-030-11187-8_17

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-11186-1

  • Online ISBN: 978-3-030-11187-8

  • eBook Packages: EngineeringEngineering (R0)

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