대한전자공학회:학술대회논문집 (Proceedings of the IEEK Conference)
- 대한전자공학회 2006년도 하계종합학술대회
- /
- Pages.819-820
- /
- 2006
뇌전도와 시-주파수 분석을 이용한 수면 중 각성 검출
Detection of the Arousal Using EEG and Time-Frequency Analysis
- Cho, Sung-Pil (Dept. of Biomedical Engineering, Yonsei Univ.) ;
-
Choi, Ho-Seon
(Dept. of Medical Information System, Daewon Science College)
;
- Myoung, Hyoun-Seok (Dept. of Biomedical Engineering, Yonsei Univ.) ;
- Lee, Kyoung-Joung (Center for Emergency Medical Informatics)
- 발행 : 2006.06.21
초록
The purpose of this study is to develop an automatic algorithm to detect the arousal events. The proposed method is based on time-frequency analysis and the support vector machine classifier using single channel electroencephalogram. To extract features, first we computed 6 indices to find out the information of sleep states. Next powers of each of 4 frequency bands were computed using spectrogram of arousal region. And finally we computed variations of power of EEG frequency to detect arousals. The performance has been assessed using polysomnographic recordings of twenty patients with sleep apnea, snoring and excessive daytime sleepiness. We have shown that proposed method was effective for detecting the arousal events.
키워드