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Data Improvement Model Based on ECG Biometric for User Authentication and Identification

Computer Science Faculty, Federal University of Pará, Belém 66075-110, Brazil
Author to whom correspondence should be addressed.
Current address: Rua Augusto Corrêa 01, Belém 66075-110, Brazil.
These authors contributed equally to this work.
Sensors 2020, 20(10), 2920;
Received: 1 April 2020 / Revised: 11 May 2020 / Accepted: 13 May 2020 / Published: 21 May 2020
(This article belongs to the Special Issue Intelligent and Adaptive Security in Internet of Things)
The rapid spread of wearable technologies has motivated the collection of a variety of signals, such as pulse rate, electrocardiogram (ECG), electroencephalogram (EEG), and others. As those devices are used to do so many tasks and store a significant amount of personal data, the concern of how our data can be exposed starts to gain attention as the wearable devices can become an attack vector or a security breach. In this context, biometric also has expanded its use to meet new security requirements of authentication demanded by online applications, and it has been used in identification systems by a large number of people. Existing works on ECG for user authentication do not consider a population size close to a real application. Finding real data that has a big number of people ECG’s data is a challenge. This work investigates a set of steps that can improve the results when working with a higher number of target classes in a biometric identification scenario. These steps, such as increasing the number of examples, removing outliers, and including a few additional features, are proven to increase the performance in a large data set. We propose a data improvement model for ECG biometric identification (user identification based on electrocardiogram—DETECT), which improves the performance of the biometric system considering a greater number of subjects, which is closer to a security system in the real world. The DETECT model increases precision from 78% to 92% within 1500 subjects, and from 90% to 95% within 100 subjects. Moreover, good False Rejection Rate (i.e., 0.064003) and False Acceptance Rate (i.e., 0.000033) were demonstrated. We designed our proposed method over PhysioNet Computing in Cardiology 2018 database. View Full-Text
Keywords: authentication; security; biometric; ECG; random forest; wearables authentication; security; biometric; ECG; random forest; wearables
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MDPI and ACS Style

Barros, A.; Resque, P.; Almeida, J.; Mota, R.; Oliveira, H.; Rosário, D.; Cerqueira, E. Data Improvement Model Based on ECG Biometric for User Authentication and Identification. Sensors 2020, 20, 2920.

AMA Style

Barros A, Resque P, Almeida J, Mota R, Oliveira H, Rosário D, Cerqueira E. Data Improvement Model Based on ECG Biometric for User Authentication and Identification. Sensors. 2020; 20(10):2920.

Chicago/Turabian Style

Barros, Alex; Resque, Paulo; Almeida, João; Mota, Renato; Oliveira, Helder; Rosário, Denis; Cerqueira, Eduardo. 2020. "Data Improvement Model Based on ECG Biometric for User Authentication and Identification" Sensors 20, no. 10: 2920.

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