一种利用手指图像测量人体心率的方法

doi:10.3969/j.issn.1001-2400.2014.05.016

Abstract

Abstract:

On the smart phone, a phone camera is used to capture finger images to achieve heart rate measurements. First, we apply the spectrum division method to filter the collected finger images,and then use the weighted power density spectrum of the three pixel to calculate the PPG (PhotoPlethysmoGraphy), based on the information and its differences contained in the three pixels. Then we apply the peak detection method based on the detection of the separated PPG signal to measure the heart rate.Comparing the measured results and the standard results, the average error is 1.82％, and the correlation of the true value is greater than 90％, indicating the reliability of heart rate measurement on finger images. The application of the method can greatly facilitate the convenience of chronic disease monitoring.

Key words: digital image processing, photo plethysmo graphy, image spectrum segmentation, smartphone, heart rate

YANG Zengyin;MA Jianfeng;SUN Cong;HUANG Dejun;YE Chunxiao;LU Diqun. Measurement of human heart rate using finger pictures[J].J4, 2014, 41(5): 91-97.

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Measurement of human heart rate using finger pictures

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