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Proposed new signal for real-time stress monitoring: Combination of physiological measures | ||
| AUT Journal of Electrical Engineering | ||
| مقاله 2، دوره 49، شماره 1، شهریور 2017، صفحه 11-18 اصل مقاله (3.97 M) | ||
| نوع مقاله: Research Article | ||
| شناسه دیجیتال (DOI): 10.22060/eej.2016.822 | ||
| نویسندگان | ||
| M. Saidi1؛ H. Hassanpoor* 2؛ A. Azizi Lari1 | ||
| 1Research Center of Development Advanced Technologies, Khaje Nasir al din Tusi, Tehran, Iran | ||
| 2Research Center of Development Advanced Technologies, Khaje Nasir al din Tusi, Tehran, Iran Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran | ||
| چکیده | ||
| Human stress is a physiological tension that appears when a person responds to mental, emotional, or physical chal-lenges. Detecting human stress and developing methods to manage it, has become an important issue nowadays. Au-tomatic stress detection through physiological signals may be a useful method for solving this problem. In most of the earlier studies, long-term time window was considered for stress detection. Continues and real-time representation of the stress level is usually done through one physiological signal. In this paper, a real-time stress monitoring system is pro-posed which shows the user a new signal for feedback stress level. This signal is combined of weighted features of gal-vanic skin response and photoplethysmography signals. The features are defined in 20-sec time windows. Correlation feature selection and linear regression methods are used for feature selection and feature combination respectively. Furthermore, a set of experiments was conducted for training and testing of the proposed model. The proposed model can represent the relative stress level perfectly and has 79% accuracy for classifying the stress and relaxation phases into two categories by a determined threshold. | ||
| کلیدواژه‌ها | ||
| stress detection؛ physiological signals؛ stress modeling؛ biofeedback | ||
| مراجع | ||
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