The Proceedings of the Symposium on sports and human dynamics
Online ISSN : 2432-9509
2018
Session ID : A-10
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An Algorithm For Heart Rate Using Optical Sensor and Acceleration Sensor
*Masahiro UEDAYuto KASEYoshinobu WATANABEMasato HOSOYATomoaki TANIKAWA
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Abstract

The purpose of this study is to develop a robust heart rate measurement algorithm in sports, especially cyclic motion like treadmill running and walking using optical sensor and 3-axis accelerometer. The pitch of running was calculated from 3-axis synthetic acceleration, and remove motion frequency peak in the frequency spectrum. When the frequency of motion and heart rate is near, the pulse wave was beaten. The problem was solved by detecting nodes in the beaten waveform and applying the window function around nodes. Results of the experiment compared with chest type heart rate sensor, it was confirmed that the accuracy of this algorithm was high. (MAE = 1.45[bpm], RMSE = 2.00[bpm])

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© 2018 The Japan Society of Mechanical Engineers
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