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Efficiently Updating ECG-Based Biometric Authentication Based on Incremental Learning
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DOI：10.3390/s21051568.png)
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摘要
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Recently, the interest in biometric authentication based on electrocardiograms (ECGs) has increased. Nevertheless, the ECG signal of a person may vary according to factors such as the emotional or physical state, thus hindering authentication. We propose an adaptive ECG-based authentication method that performs incremental learning to identify ECG signals from a subject under a variety of measurement conditions. An incremental support vector machine (SVM) is adopted for authentication implementing incremental learning. We collected ECG signals from 11 subjects during 10 min over six days and used the data from days 1 to 5 for incremental learning, and those from day 6 for testing. The authentication results show that the proposed system consistently reduces the false acceptance rate from 6.49% to 4.39% and increases the true acceptance rate from 61.32% to 87.61% per single ECG wave after incremental learning using data from the five days. In addition, the authentication results tested using data obtained a day after the latest training show the false acceptance rate being within reliable range (3.5-5.33%) and improvement of the true acceptance rate (70.05-87.61%) over five days.
Keyword:
ECG
authentication
biometrics
incremental learning
SVM
incremental SVM
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3.5
论文数:
7.2W
被引数:
20.9W
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