Expert Knowledge-Based Automatic Sleep Stage Determination by Multi-Valued Decision Making Method

Expert Knowledge-Based Automatic Sleep Stage Determination by Multi-Valued Decision Making Method

In this study, an expert knowledge-based automatic sleep stage determination system working on a multi-valued decision making method is developed. Visual inspection by a qualified clinician is adopted to obtain the expert knowledge database. The expert knowledge database consists of probability dens...

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Veröffentlicht in:Denki Gakkai ronbunshi. C, Erekutoronikusu, joho kogaku, shisutemu Information and Systems, 2009/04/01, Vol.129(4), pp.614-619
Hauptverfasser: Wang, Bei, Sugi, Takenao, Kawana, Fusae, Wang, Xingyu, Nakamura, Masatoshi
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Sprache:eng
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conditional probability
expert knowledge database
multi-valued decision making
sleep stage determination
visual inspection
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container_title Denki Gakkai ronbunshi. C, Erekutoronikusu, joho kogaku, shisutemu
container_volume 129
creator Wang, Bei
Sugi, Takenao
Kawana, Fusae
Wang, Xingyu
Nakamura, Masatoshi
description In this study, an expert knowledge-based automatic sleep stage determination system working on a multi-valued decision making method is developed. Visual inspection by a qualified clinician is adopted to obtain the expert knowledge database. The expert knowledge database consists of probability density functions of parameters for various sleep stages. Sleep stages are determined automatically according to the conditional probability. Totally, four subjects were participated. The automatic sleep stage determination results showed close agreements with the visual inspection on sleep stages of awake, REM (rapid eye movement), light sleep and deep sleep. The constructed expert knowledge database reflects the distributions of characteristic parameters which can be adaptive to variable sleep data in hospitals. The developed automatic determination technique based on expert knowledge of visual inspection can be an assistant tool enabling further inspection of sleep disorder cases for clinical practice.
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source Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects conditional probability
expert knowledge database
multi-valued decision making
sleep stage determination
visual inspection
title Expert Knowledge-Based Automatic Sleep Stage Determination by Multi-Valued Decision Making Method
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