전자공학회논문지 (Journal of the Institute of Electronics and Information Engineers)

대한전자공학회 (The Institute of Electronics and Information Engineers)
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광용적맥파를 이용한 실시간 맥박 검출 알고리듬

A Real Time Heartbeat Rate Estimation Algorithm Using PPG Signals

  • Kim, Chisung (the Graduate School of Electronics Engineering, Kyungpook National University) ;
  • Han, Dong Seog (the Graduate School of Electronics Engineering, Kyungpook National University)
  • 투고 : 2016.09.19
  • 심사 : 2016.11.28
  • 발행 : 2016.12.25
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초록

광용적맥파(PPG: photoplethysmogram) 신호는 심전도(ECG: electrocardiogram) 신호와 더불어 가장 많이 측정이 되는 생체 신호 중 하나이다. 광용적맥파 신호를 이용하여 측정할 수 있는 정보들은 혈류의 속도, 혈액 중 산소 포화도 등을 측정할 수 있다. 이들을 측정하기 위한 기반 정보는 맥박 정보이다. 광용적맥파 신호로부터 맥박을 측정하기 위하여 동적 잡음이 필수적으로 제거 되어야 한다. 기존 방법은 팔의 움직임을 나타내는 가속도 신호를 이용하여 동적잡음을 제거 하였지만 이는 계산 복잡도를 증가시켜 실시간으로 맥박을 추정하기에 어려움이 있다. 본 논문에서는 광용적맥파 신호만 사용하여 신호를 측정함과 동시에 맥박을 추정해내는 알고리듬을 제안한다.

The photoplethysmogram (PPG) signal is one of the mainly considered bio signals along with the electrocardiogram (ECG) signal. PPG signals can be used to estimate the speed of flow of blood in vein, saturation of peripheral oxygen and etc. The heartbeat rate is a common feature in order to evaluate those checkup lists. To estimate the correct heartbeat rate, dynamic noises must be removed in the PPG signal. Conventionally, the acceleration signal is used to remove dynamic noises. This method, however, increases the computational complexity. In this paper, we proposes a solution that uses only PPG signals to calculate the heartbeat rate, and which can be used as a basement in real-time healthcare solution.

키워드

참고문헌

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