SEGMENTASI FITUR SINYAL EKG BERDASARKAN DISCRETE WAVELET TRANSFORM DAN WINDOWED ANALYSIS UNTUK PERHITUNGAN QT CORRECTION DENGAN BAZEET'S FORMULA

SUPRIANSYAH, HANIF HABIBIE and Nurmaini, Siti (2019) SEGMENTASI FITUR SINYAL EKG BERDASARKAN DISCRETE WAVELET TRANSFORM DAN WINDOWED ANALYSIS UNTUK PERHITUNGAN QT CORRECTION DENGAN BAZEET'S FORMULA. Undergraduate thesis, Sriwijaya University.

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Abstract

Congenital Long QT Sundrome is a rare heart disease characterized by an extension of the QT interval on the signal. QT interval calculation is obtained by finding the duration from the QRSon start point to the end of the T or Tend wave. To get the location of the electrocardiogram signal features, it requires a segmentation process of each feature on the electrocardiogram signal. This study proposes an algorithm for segmenting electrocardiogram signal features using the Discrete Wavelet Transform and Windowed Analysis methods for the segmentation process of these features. Next, the Bazeet’s Formula method is used to calculate the QT Correction to measure the duration of the QT interval. This study uses the QTDB dataset publicly provided by Physionet. The stages in this research include the pre-processing of data to retrieve and correct the location of the R peak, denoising the signal using Discrete Wavelet Transform, segmenting electrocardiogram signal features with the results of reconstruction each level (Inverse Discrete Wavelet Transform) and Windowed Analysis. Based on these stages, the results of the study have an average value of error (mean error) with Pon -0.001 seconds, Ppeak -0.002 seconds, QRSon -0.007 seconds, QRSoff 0.004 seconds, Tpeak 0.011 seconds, and Tend -0.011 seconds. This study shows that the algorithm designed is able to segment ECG signal features correctly, and the results of QT Correction calculations can be used as a reference for early indications of Long QT Syndrome.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Segmentasi, Long QT Syndrome, Elektrokardiogram, Discrete Wavelet Transform, Windowed Analysis, QT Correction, Bazeet’s Formula
Subjects: T Technology > T Technology (General) > T1-995 Technology (General)
T Technology > T Technology (General) > T59.5 Automation
Divisions: 09-Faculty of Computer Science > 56201-Computer Systems (S1)
Depositing User: Mr Hanif Habibie Supriansyah
Date Deposited: 27 Dec 2019 02:45
Last Modified: 27 Dec 2019 02:45
URI: http://repository.unsri.ac.id/id/eprint/22362

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