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A Flexible Replication-Based Classification Approach for Parkinson’s Disease Detection by Using Voice Recordings

  • Lizbeth Naranjo
  • Ruth Fuentes-GarcíaEmail author
  • Carlos J. Pérez
Conference paper
Part of the Springer Proceedings in Mathematics & Statistics book series (PROMS, volume 301)

Abstract

Detecting Parkinson’s disease (PD) by using a noninvasive low-cost tool based on acoustic features automatically extracted from voice recordings has become a topic of interest. A two-stage classification approach has been developed to differentiate PD subjects from healthy people by using acoustic features obtained from replicated voice recordings. The proposed hierarchical model has been specifically developed to handle replicated data and considers a dimensional reduction of the feature space as well as the use of mixtures of normal distributions to describe the latent variables in the second order of hierarchy. The approach has been applied to a database of acoustic features obtained from 40 PD subjects and 40 healthy controls, improving results compared to previous models.

Keywords

Bayesian binary hierarchical model Common principal components Mixtures of normal distributions Parkinson’s disease Replicated measurements Voice recordings 

Notes

Acknowledgements

Thanks to the anonymous participants and to Carmen Bravo and Rosa María Muñoz for carrying out the voice recordings and providing information from the people with PD. We are grateful to the Asociación Regional de Parkinson de Extremadura and Confederación Española de Personas con Discapacidad Física y Orgánica for providing support in the experiment development.

      This research has been supported by UNAM-DGAPA-PAPIIT, Mexico (Project IA106416), Ministerio de Economía, Industria y Competitividad, Spain (Projects MTM2014-56949-C3-3-R and MTM2017-86875-C3-2-R), Junta de Extremadura, Spain (Projects IB16054 and GRU18108), and the European Union (European Regional Development Funds).

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Lizbeth Naranjo
    • 1
  • Ruth Fuentes-García
    • 1
    Email author
  • Carlos J. Pérez
    • 2
  1. 1.Departamento de Matemáticas, Facultad de CienciasUniversidad Nacional Autónoma de MéxicoMexico CityMexico
  2. 2.Departamento de Matemáticas, Facultad de VeterinariaUniversidad de ExtremaduraCáceresSpain

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