An improved biometric stress monitoring solution for working employees using heart rate variability data and Capsule Network model

Mashael M. Khayyat, Raafat M Munshi, Bayan Alabduallah, Tarik Lamoudan, Ehab Ghith, Tai-hoon Kim and Abdelaziz A. Abdelhamid

PLOS ONE, 2024, vol. 19, issue 12, 1-18

Abstract: Biometric stress monitoring has become a critical area of research in understanding and managing health problems resulting from stress. One of the fields that emerged in this area is biometric stress monitoring, which provides continuous or real-time information about different anxiety levels among people by analyzing physiological signals and behavioral data. In this paper, we propose a new approach based on the CapsNets model for continuously monitoring psychophysiological stress. In the new model, streams of biometric data, including physiological signals and behavioral patterns, are taken up for analysis. In testing using the Swell multiclass dataset, it performed with an accuracy of 92.76%. Further testing of the WESAD dataset reveals an even better accuracy at 96.76%. The accuracy obtained for binary classification of stress and no stress class is applied to the Swell dataset, where this model obtained an outstanding accuracy of 98.52% in this study and on WESAD, 99.82%. Comparative analysis with other state-of-the-art models underlines the superior performance; it achieves better results than all of its competitors. The developed model is then rigorously subjected to 5-fold cross-validation, which proved very significant and proved that the proposed model could be effective and efficient in biometric stress monitoring.

Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0310776

DOI: 10.1371/journal.pone.0310776

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