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Pulmonary Crackle Detection Using the Hilbert Energy Envelope

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8th European Medical and Biological Engineering Conference (EMBEC 2020)

Part of the book series: IFMBE Proceedings ((IFMBE,volume 80))

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Abstract

This paper presents a method for automatic pulmonary crackle detection based on the Hilbert energy envelope (HEE). Automatic detection of crackles in lung sounds offers a non-invasive way of monitoring or diagnosing cardiopulmonary diseases. The algorithm is divided into four main steps: (a) preprocessing, (b) estimation of HEE, (c) thresholding, and (d) applying time width conditions based on crackle two-cycle deflection and initial deflection width. Its performance is tested using a publicly available lung sound dataset of fine and coarse crackles and evaluated by the sensitivity (95.7%), positive predictive value (89.5%), and F-score (91.7%) for crackle detection. The good detection performance indicates the potential of the HEE-based algorithm as an automatic method for crackle detection in lung sound recordings.

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Acknowledgment

This research was supported by the NIHR Southampton Biomedical Research Centre, AAIR Charity and the Engineering and Physical Sciences Research Council.

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Authors and Affiliations

  1. Institute of Sound and Vibration Research, University of Southampton, Southampton, SO17 1BJ, UK

    Ravi Pal & Anna Barney

Authors
  1. Ravi Pal
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  2. Anna Barney
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Correspondence to Ravi Pal .

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Editors and Affiliations

  1. Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia

    Tomaz Jarm

  2. Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia

    Aleksandra Cvetkoska

  3. Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia

    Samo Mahnič-Kalamiza

  4. Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia

    Damijan Miklavcic

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Pal, R., Barney, A. (2021). Pulmonary Crackle Detection Using the Hilbert Energy Envelope. In: Jarm, T., Cvetkoska, A., Mahnič-Kalamiza, S., Miklavcic, D. (eds) 8th European Medical and Biological Engineering Conference. EMBEC 2020. IFMBE Proceedings, vol 80. Springer, Cham. https://doi.org/10.1007/978-3-030-64610-3_111

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  • DOI: https://doi.org/10.1007/978-3-030-64610-3_111

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-64609-7

  • Online ISBN: 978-3-030-64610-3

  • eBook Packages: EngineeringEngineering (R0)

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