Abstract
This paper presents a novel approach of an ECG-based mental health biometric system that relies on ultra-short duration (2 seconds) of one-channel ECG signal segments from acute stress data for accurate user identification and authentication. The proposed method uses a simple framework for contrastive learning (SimCLR) to train the user identification and authentication models. The performance of the proposed ECG-based biometric system was evaluated for a single-session use case using an in-house dataset. The dataset consisted of ECG signals acquired during a study protocol designed to induce physical and mental stress. The proposed biometric system was able to achieve an accuracy of 98% for user identification and an equal error rate (EER) of 0.02 when trained and tested with a balanced condition with stress and baseline/recovery. Our proposed system was able to retain its accuracy to 95% and the EER to 0.05 even when the training size was significantly reduced.
| Original language | English |
|---|---|
| Title of host publication | Adjunct Proceedings of the 2023 ACM International Joint Conference on Pervasive and Ubiquitous Computing & the 2023 ACM International Symposium on Wearable Computing, UbiComp/ISWC ’23 |
| Publisher | Association for Computing Machinery ACM |
| Pages | 642-647 |
| Number of pages | 6 |
| ISBN (Electronic) | 979-8-4007-0200-6 |
| DOIs | |
| Publication status | Published - 8 Oct 2023 |
| MoE publication type | A4 Article in a conference publication |
| Event | 2023 ACM International Joint Conference on Pervasive and Ubiquitous Computing & the 2023 ACM International Symposium on Wearable Computing, UbiComp/ISWC ’23 - Cancun, Mexico Duration: 8 Oct 2023 → 12 Oct 2023 |
Conference
| Conference | 2023 ACM International Joint Conference on Pervasive and Ubiquitous Computing & the 2023 ACM International Symposium on Wearable Computing, UbiComp/ISWC ’23 |
|---|---|
| Country/Territory | Mexico |
| City | Cancun |
| Period | 8/10/23 → 12/10/23 |
Funding
The work was funded by the Academy of Finland under GrantNos.: 334092, 313401, 351282 and VTT.
Keywords
- Biometrics
- Contrastive Learning
- Acute stress
- Authentication
- Identification
- Mental Health
- Electrocardiogram (ECG)
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