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Case-based classification of ultrasonic B-scans: Case-base organisation and case retrieval

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Advances in Case-Based Reasoning (EWCBR 1998)

Part of the book series: Lecture Notes in Computer Science ((LNAI,volume 1488))

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Abstract

Dutch Railways use a special train for the ultrasonic inspection of rails. The output of the ultrasonic scanning system installed on the train consists of echo images — so-called B-scans. The B-scans are classified according to the images of rail constructions, noise artefacts, and/or defects that they contain. Currently, at TNO Institute of Applied Physics a hybrid rule-based / case-based classification system is being built for the train. This paper describes the way the cases are represented and matched in the system, the way the case-base is organised, and the way the case retrieval is done. Interesting aspects of the system are: use of fuzzy membership functions for case matching, decision tree (C4.5) based top-level case-base organisation, and clustered bottom-level case-base organisation.

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Authors and Affiliations

  1. Faculty of Information Technology and Systems Department of Technical Informatics, Delft University of Technology, P.O. Box 356, 2600, AJ Delft, The Netherlands

    Jacek Jarmulak

  2. Institute of Applied Physics, TNO, P.O. Box 155, 2600, AD Delft, The Netherlands

    Jacek Jarmulak

Authors
  1. Jacek Jarmulak
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Editor information

Barry Smyth Pádraig Cunningham

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© 1998 Springer-Verlag Berlin Heidelberg

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Jarmulak, J. (1998). Case-based classification of ultrasonic B-scans: Case-base organisation and case retrieval. In: Smyth, B., Cunningham, P. (eds) Advances in Case-Based Reasoning. EWCBR 1998. Lecture Notes in Computer Science, vol 1488. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0056325

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  • DOI: https://doi.org/10.1007/BFb0056325

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-64990-8

  • Online ISBN: 978-3-540-49797-4

  • eBook Packages: Springer Book Archive

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