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Cardiac events detection using curvelet transform

  • ALKA BARHATTEEmail author
  • MANISHA DALE
  • RAJESH GHONGADE
Article
  • 6 Downloads

Abstract

Cardiac event detection is one of the essential steps in cardiac signal processing, analysis and disease diagnosis. Complete morphology of cardiac waves (P–QRS–T) extracted from the location of R-peak is helpful for feature extraction of many applications related to cardiac diseases classification. Therefore cardiac event detection is a prerequisite for reliable cardiac disease diagnosis, and hence it should be robust and time-efficient so that it can be used for real-time signal processing. This work proposes a novel method for R-peak detection using curvelet transform (CT). It demonstrates the use of curvelet energy with an adaptive threshold to estimate the boundaries around R-peak. The exact R-peak locations are then detected from the input signal with the predefined estimated boundaries. The proposed method is evaluated and analysed with all 48 records from the MIT-BIH arrhythmia database. The experimental analysis result yields an average sensitivity of 99.62%, average positive productivity of 99.74% and average detection error rate of 0.6%. The results obtained have higher than or comparable indices to those in literature. Thus, the proposed system yields high accuracy, low complexity and high processing speed.

Keywords

Cardiac event curvelet transform curvelet energy adaptive threshold R-peak 

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Copyright information

© Indian Academy of Sciences 2019

Authors and Affiliations

  1. 1.Department of Electronics and TelecommunicationAISSMS-Institute of Information TechnologyPuneIndia
  2. 2.Department of Electronics and TelecommunicationModern Education Societies College of EngineeringPuneIndia
  3. 3.Department of Electronics and TelecommunicationBharati Vidypeeth Deemed University College of EngineeringPuneIndia

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