Seamless Monitoring of Stress Levels Leveraging a Universal Model for Time Sequences

• URL: http://arxiv.org/abs/2407.03821v1
• Date: Thu, 4 Jul 2024 10:46:09 GMT
• Title: Seamless Monitoring of Stress Levels Leveraging a Universal Model for Time Sequences
• Authors: Davide Gabrielli, Bardh Prenkaj, Paola Velardi,
• Abstract summary: This paper presents a methodology for stress detection from a smartwatch based on a universal model for time series, UniTS. We demonstrate that our proposed model considerably surpasses 12 top-performing methods on 3 benchmark datasets.
• Score: 4.308104021015939
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Monitoring the stress level in patients with neurodegenerative diseases can help manage symptoms, improve patient's quality of life, and provide insight into disease progression. In the literature, ECG, actigraphy, speech, voice, and facial analysis have proven effective at detecting patients' emotions. On the other hand, these tools are invasive and do not integrate smoothly into the patient's daily life. HRV has also been proven to effectively indicate stress conditions, especially in combination with other signals. However, when HRV is derived from less invasive devices than the ECG, like smartwatches and bracelets, the quality of measurements significantly degrades. This paper presents a methodology for stress detection from a smartwatch based on a universal model for time series, UniTS, which we fine-tuned for the task. We cast the problem as anomaly detection rather than classification to favor model adaptation to individual patients and allow the clinician to maintain greater control over the system's predictions. We demonstrate that our proposed model considerably surpasses 12 top-performing methods on 3 benchmark datasets. Furthermore, unlike other state-of-the-art systems, UniTS enables seamless monitoring, as it shows comparable performance when using signals from invasive or lightweight devices.

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