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펄스 옥시메터의 동잡음 제거 필터 설계

Title
펄스 옥시메터의 동잡음 제거 필터 설계
Other Titles
Filter Design to Eliminate Motion Artifact of Pulse Oximetery
Authors
이주원;이종희;이건기;김경하;강익태
Issue Date
2001
Journal Title
Journal of Biomedical Engineering Research (의공학회지)
ISSN
1229-0807
Citation
Journal of Biomedical Engineering Research (의공학회지), Vol.22(5) : 431~438, 2001
Abstract
Oxygen saturation of blood is defined as ratio of total hemoglobins density to oxyhemoglobins density And the accuracy of pulse oxymeter that measures the oxygen saturation of blood by a noninvasive method is influenced by a measuring environment, breathing and motion of patient. Especially when patient moved his arms and fingers, it is difficult to eliminate motion artifact because the motion artifact signal has features that are overlap or closed at normal signal in frequency domain. We propose the filtering method that construct the filter banks and a matched falter to improve the Problem. When experimented by the proposed method, the ratio regulation of the proposed methods has 4.1% below than an adaptive filter (39.7%) and a moving average filter (11.2%). So. the Proposed method will be able to get a stable ratio of SpO2.
URI

http://ir.ymlib.yonsei.ac.kr/handle/22282913/142049
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Medical Engineering
Yonsei Authors
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