In modern industry, employees are confronted with ever more complex working tasks. As a consequence, cognitive workload of the employees rises. This makes automatic estimation of cognitive workload a key subject of research. Such an estimate would enable adaptive Human- Machine Interaction that could be used to fit the employees’ workload accordingly to their needs. In this work, a tablet interaction study is presented that is designed to induce cognitive workload. Supervised machine learning methods are used to estimate the induced cognitive workload based on features taken from heart rate, electrodermal activity and user interaction (touch input). Ground truth data is obtained from the subjects’ self-reported cognitive workload. Inter-subject accuracy of the best learner is 74.1% for the detailed 5-class problem and 96.0% for the simplified binary problem.
CITATION STYLE
Hörmann, T., Hesse, M., Christ, P., Adams, M., Menßen, C., & Rückert, U. (2017). Detailed estimation of cognitive workload with reference to a modern working environment. In Communications in Computer and Information Science (Vol. 690, pp. 205–223). Springer Verlag. https://doi.org/10.1007/978-3-319-54717-6_12
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