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首页> 外文会议>2019 IEEE Eurasia Conference on Biomedical Engineering, Healthcare and Sustainability >Evaluation of Mental Stress and Heart Rate Variability Derived from Wrist-Based Photoplethysmography
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Evaluation of Mental Stress and Heart Rate Variability Derived from Wrist-Based Photoplethysmography

机译：基于腕部光电容积描记法的心理压力和心率变异性评估

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摘要

Heart Rate Variability (HRV) is a significant indicator of physical fitness and mental stresses. Electrocardiography (ECG) is the most common means to detect HRV. However, the nature of the ECG detection limits its convenience and usage time. While wrist-based Photoplethysmography (PPG) provides the possibility of convenient 24/7 HRV monitoring, its accuracy has not been systematically analyzed. We experimented with six healthy subjects and measured PPG from their wrist and ECG from their chest. The result shows that ten HRV parameters have significant differences between stress and non-stress states. Furthermore, the 10-fold accuracy of stress state detection within subjects is 98% and the Leave-One-Participant-Out F1score reaches 80%. The results demonstrate that wrist-based PPG can provide HRV measurements that enable the recognition of mental stress as accurately as ECG, even for a short three-minute temporal window.
机译：心率变异性（HRV）是身体健康和精神压力的重要指标。心电图（ECG）是检测HRV的最常见方法。但是，ECG检测的性质限制了它的便利性和使用时间。尽管基于腕部的光电容积描记术（PPG）提供了方便的24/7 HRV监测的可能性，但其准确性尚未得到系统的分析。我们对六名健康受试者进行了实验，并从他们的手腕测量了PPG，从他们的胸部测量了ECG。结果表明，十个HRV参数在应力状态和非应力状态之间存在显着差异。此外，受试者内压力状态检测的10倍准确度为98％，离开一人参加F1得分达到80％。结果表明，基于腕部的PPG可以提供HRV测量值，即使在很短的三分钟时间范围内，也可以像ECG一样准确地识别精神压力。

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