지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Whether a person is feeling sleepy or reasonably awake is important safety information in many areas, such as humans operating in traffic or in heavy industry. The changes of body signals have been mostly researched by looking at electroencephalogram(EEG) signals but more and more other medical signals are being examined. In our study, an electrocardiogram(ECG) signal is measured at a sampling rate of 100 Hz and used to try to distinguish the possible differences in signal between the two states: awake and drowsy. Practical tests are conducted using a wireless sensor node connected to a wearable ECG sensor, and an ECG signal is transmitted wirelessly to a base station connected to a server PC. Through the QRS complex in the ECG analysis it is possible to obtain much information that is helpful for diagnosing different types of cardiovascular disease. A program is made with MATLAB for digital signal filtering and graphing as well as recognizing the parts of the QRS complex within the signal. Drowsiness detection is performed by evaluating the R peaks, R-R interval, interval between R and S peaks and the duration of the QRS complex.
목차
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참고문헌 (13)
참고문헌 신청
A.S.Ramiro / 1987 / Textbook of Advanced Cardiac Life Support / American Heart Association
C.Zywietz / 1888 / A brief history of electrocardiography-progress through technology / Distribution : 10 ~ 19
G. Clifford / / http://www.robots.ox.ac.uk/
G. Z. Yang / 2006 / Body Sensor Networks / Springer-Verlag London
H. Ueno / 1994 / Development of drowsiness detection system / Proc. of Vehicle Navigation & Information Systems Conf : 15 ~ 20
C.Zywietz / 1888 / A brief history of electrocardiography-progress through technology / Distribution : 10 ~ 19
G. Clifford / / http://www.robots.ox.ac.uk/
G. Z. Yang / 2006 / Body Sensor Networks / Springer-Verlag London
H. Ueno / 1994 / Development of drowsiness detection system / Proc. of Vehicle Navigation & Information Systems Conf : 15 ~ 20
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