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ECG biometric authentication based on non-fiducial approach using kernel methods


Citation

Hejazi, Maryamsadat and Syed Mohamed, Syed Abdul Rahman Al-Haddad and Singh, Yashwant Prasad and Hashim, Shaiful Jahari and Abdul Aziz, Ahmad Fazli (2016) ECG biometric authentication based on non-fiducial approach using kernel methods. Digital Signal Processing, 52. pp. 72-86. ISSN 1051-2004; ESSN: 1095-4333

Abstract

Identity recognition faces several challenges especially in extracting an individual's unique features from biometric modalities and pattern classifications. Electrocardiogram (ECG) waveforms, for instance, have unique identity properties for human recognition, and their signals are not periodic. At present, in order to generate a significant ECG feature set, non-fiducial methodologies based on an autocorrelation (AC) in conjunction with linear dimension reduction methods are used. This paper proposes a new non-fiducial framework for ECG biometric verification using kernel methods to reduce both high autocorrelation vectors' dimensionality and recognition system after denoising signals of 52 subjects with Discrete Wavelet Transform (DWT). The effects of different dimensionality reduction techniques for use in feature extraction were investigated to evaluate verification performance rates of a multi-class Support Vector Machine (SVM) with the One-Against-All (OAA) approach. The experimental results demonstrated higher test recognition rates of Gaussian OAA SVMs on random unknown ECG data sets with the use of the Kernel Principal Component Analysis (KPCA) as compared to the use of the Linear Discriminant Analysis (LDA) and Principal Component Analysis (PCA).


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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
Faculty of Medicine and Health Science
DOI Number: https://doi.org/10.1016/j.dsp.2016.02.008
Publisher: Elsevier
Keywords: ECG biometric recognition; Non-fiducial feature extraction; Kernel methods; Dimensionality reduction; Gaussian OAA SVM
Depositing User: Nabilah Mustapa
Date Deposited: 18 May 2016 04:36
Last Modified: 18 May 2016 04:36
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.dsp.2016.02.008
URI: http://psasir.upm.edu.my/id/eprint/43276
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