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Soft Computing

, Volume 22, Issue 4, pp 1225–1236 | Cite as

Nearest neighbor search with locally weighted linear regression for heartbeat classification

  • Juyoung Park
  • Md Zakirul Alam Bhuiyan
  • Mingon Kang
  • Junggab Son
  • Kyungtae Kang
Methodologies and Application
  • 227 Downloads

Abstract

Automatic interpretation of electrocardiograms provides a noninvasive and inexpensive technique for analyzing the heart activity of patients with a range of cardiac conditions. We propose a method that combines locally weighted linear regression with nearest neighbor search for heartbeat detection and classification in the management of non-life-threatening arrhythmia. In the proposed method, heartbeats are detected and their features are found using the Pan–Tompkins algorithm; then, they are classified by locally weighted linear regression on their nearest neighbors in a training set. The results of evaluation on data from the MIT-BIH arrhythmia database indicate that the proposed method has a sensitivity of 93.68 %, a positive predictive value of 96.62 %, and an accuracy of 98.07 % for type-oriented evaluation; and a sensitivity of 74.15 %, a positive predictive value of 72.5 %, and an accuracy of 88.69 % for patient-oriented evaluation. These results are comparable to those from existing search schemes and contribute to the systematic design of automatic heartbeat classification systems for clinical decision support.

Keywords

Heartbeat classification Electrocardiogram monitoring Locally weighted linear regression Nearest neighbor search 

Notes

Acknowledgments

This work was partly supported by the MSIP (Ministry of Science, ICT and Future Planning), Korea, under the ITRC (Information Technology Research Center) support program (IITP-2016-H8501-16-1018)) supervised by the IITP (Institute for Information & communications Technology Promotion), and partly supported by IITP grant funded by the Korea government (MSIP) (No. B0101-15-0557, Resilient Cyber-Physical Systems Research).

Compliance with ethical standards

Conflict of interest

No competing financial interests exist.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Juyoung Park
    • 1
  • Md Zakirul Alam Bhuiyan
    • 2
  • Mingon Kang
    • 3
  • Junggab Son
    • 3
  • Kyungtae Kang
    • 4
  1. 1.ICT CenterKorea Expressway CorporationHwaseongRepublic of Korea
  2. 2.Department of Computer and Information SciencesFordham UniversityBronxUSA
  3. 3.Department of Computer ScienceKennesaw State UniversityMariettaUSA
  4. 4.Department of Computer Science and EngineeringHanyang UniversityAnsanRepublic of Korea

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