AN AUTOMATIC APPROACH TO CONTINUOUS STRESS ASSESSMENT DURING DRIVING BASED ON FUZZY C-MEANS CLUSTERING

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POURMOHAMMADI SARA; MALEKI ALI

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Paper Information

Journal: The Modares Journal of Electrical Engineering Year:2015 | Volume:15 | Issue:4 Page(s): 8-13

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Title

AN AUTOMATIC APPROACH TO CONTINUOUS STRESS ASSESSMENT DURING DRIVING BASED ON FUZZY C-MEANS CLUSTERING

Author(s)

POURMOHAMMADI SARA | MALEKI ALI | Issue Writer Certificate

Keywords

FUZZY C-MEANS CLUSTERINGQ4

CONTINUOUS STRESS CRITERIAQ4

AUTOMATIC STRESS ASSESSMENTQ4

Abstract

This paper presents a novel approach for driving stress assessment by fuzzy clustering. In previous researches, stress during real- world driving tasks has been detected in discrete levels, but in this study, we demonstrated that considering fixed-levels for stress in long periods is not authentic. Without employing discrete levels of stress, data remains unlabeled, so a clustering method has been proposed to compensate for the lack of feasibility of classification. Due to uncertainties, the clusters can be defined in terms of fuzzy sets. Furthermore, using fuzzy clustering methods, data overlap is considered. In the proposed algorithm, using membership values generated by fuzzy c-means, and weights assigned by fuzzy inference system (FIS), we present an automatic continuous criteria for stress in short time intervals. The continuous scale is defined between 0 and 100, where higher values represent higher stress levels. Our findings not only confirm rough results of previous studies, but also indicate improvements in precision and accuracy of stress assessment.

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APA: Copy

POURMOHAMMADI, SARA, & MALEKI, ALI. (2015). AN AUTOMATIC APPROACH TO CONTINUOUS STRESS ASSESSMENT DURING DRIVING BASED ON FUZZY C-MEANS CLUSTERING. MODARES JOURNAL OF ELECTRICAL ENGINEERING, 15(4 ), 8-13. SID. https://sid.ir/paper/177637/en

Vancouver: Copy

POURMOHAMMADI SARA, MALEKI ALI. AN AUTOMATIC APPROACH TO CONTINUOUS STRESS ASSESSMENT DURING DRIVING BASED ON FUZZY C-MEANS CLUSTERING. MODARES JOURNAL OF ELECTRICAL ENGINEERING[Internet]. 2015;15(4 ):8-13. Available from: https://sid.ir/paper/177637/en

IEEE: Copy

SARA POURMOHAMMADI, and ALI MALEKI, “AN AUTOMATIC APPROACH TO CONTINUOUS STRESS ASSESSMENT DURING DRIVING BASED ON FUZZY C-MEANS CLUSTERING,” MODARES JOURNAL OF ELECTRICAL ENGINEERING, vol. 15, no. 4 , pp. 8–13, 2015, [Online]. Available: https://sid.ir/paper/177637/en

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