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http://dx.doi.org/10.5143/JESK.2004.23.1.001

Development of an Automatic Expert System for Human Sensibility Evaluation based on Physiological Signal  

Jeong, Sun-Cheol (건국대학교 의과대학 의학공학부)
Lee, Bong-Su (건국대학교 의과대학 의학공학부)
Min, Byeong-Chan (건국대학교 의과대학 의학공학부)
Publication Information
Journal of the Ergonomics Society of Korea / v.23, no.1, 2004 , pp. 1-12 More about this Journal
Abstract
The purpose of this study was to develop an automatic expert system for the evaluation of human sensibility, where human sensibility can be inferred from objective physiological signals. The study aim was also to develop an algorithm in which human arousal and pleasant level can be judged by using measured physiological signals. Fuzzy theory was applied for mathematical handling of the ambiguity related to evaluation of human sensibility. and the degree of belonging to a certain sensibility dimension was quantified by membership function through which the sensibility evaluation was able to be done. Determining membership function was achieved using results from a physiological signal database of arousal/relaxation and pleasant/unpleasant that was generated from imagination. To induce one final result (arousal and pleasant level) based on measuring the results of more than 2 physiological signals and the membership function of each physiological signal. Dempster-Shafer's rule of combination in evidence was applied, through which the final arousal and pleasant level was inferred.
Keywords
Automatic expact system; Human sensibility; Physiological signal; Membership unction; Dempster-Shafer's rule;
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