1 Ocak 2022 Dergi makalesi Açık Erişim

Guven, Gokhan; Guz, Umit; Gurkan, Hakan

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    <subfield code="a">A novel biometric identification system based on fingertip electrocardiogram and speech signals</subfield>
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    <subfield code="a">Guven, Gokhan</subfield>
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    <subfield code="a">In this research work, we propose a one dimensional Convolutional Neural Network (CNN) based biometric identification system that combines speech and ECG modalities. The aim is to find an effective identification strategy while enhancing both the confidence and the performance of the system. In our first approach, we have developed a voting-based ECG and speech fusion system to improve the overall performance compared to the conventional methods. In the second approach, we have developed a robust rejection algorithm to prevent unauthorized access to the fusion system. We also presented a newly developed ECG spike and inconsistent beats removal algorithm to detect and eliminate the problems caused by portable fingertip ECG devices and patient movements. Furthermore, we have achieved a system that can work with only one authorized user by adding a Universal Background Model to our algorithm. In the first approach, the proposed fusion system achieved a 100% accuracy rate for 90 people by taking the average of 3-fold cross-validation. In the second approach, by using 90 people as genuine classes and 26 people as imposter classes, the proposed system achieved 92% accuracy in identiying genuine classes and 96% accuracy in rejecting imposter classes. (C) 2021 Elsevier Inc. All rights reserved.</subfield>
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