Sanjay Kimbahune
Avik Ghose
Arpan Pal
ABSTRACT
According to World Health Organization (WHO) cardiovascular diseases (CVDs) are the number one cause of global deaths annually. More than 17 million people die each year from CVDs. To diagnose CVDs some clinical tests are required which are invasive and non-invasive both and are also expensive. Hence, there is a need for cheap, reliable non-invasive sensing that is easily available and can be used by layman. We are presenting a method that can harvest energy from touchpad for bio sensing. Today, almost everyone has a smartphone and its capacitive touchscreen can be used as a probable sensor for sensing vital health parameters. This paper presents the feasibility of developing a heart rate monitoring system using capacitive touch sensing. Tests were performed on six participants falling in different age groups. Scaled data collection could not be done because of coronavirus outbreak. Each participant underwent tests under normal heart rate and fast heart rate conditions. The experimental data obtained was tested in the frequency and time domain. Results suggest that the absolute error percentage in estimating the mean heart rate (beats.min-1) in the frequency domain is less than 5% for almost all the participants. The accuracy percentage for some participants in measuring the mean heart rate in beats per minute is 100%. The average mean absolute error (MAE) in the time domain is reported to be 3.83 beats. min-1 for participants enduring normal heart rate condition. Participants persisting with fast heart rate condition reports to an average MAE of 8.59 beats. min-1.
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Index Terms
- Heart Rate Monitoring Using Capacitive Touchscreen Sensing
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