Is there an application which can measure HRV from camera in android that can provide us with peak to peak interval data?
Senthil Kumar Subramanian,
I believe AliveCor's KardiaMobile and Elite HRV are your best bet:
- https://www.alivecor.com/
- https://store.alivecor.com/products/kardiamobile
- https://play.google.com/store/apps/details?id=com.alivecor.aliveecg
- https://elitehrv.com/
- https://play.google.com/store/apps/details?id=com.elitehrv.app&hl=en_US
- Article Current State of Smartphone Applications for Monitoring of H...
- https://www.sciencedirect.com/science/article/abs/pii/S1746809419302988
Hope that helps.
Unfortunately, what Firas mentioned all require additional devices, but you may want to reach out the investigator of the 2nd article mentioned: https://ieeexplore.ieee.org/document/7320085
EliteHRV notes on their website:
" About PPG (Photoplethysmogram) and Pulse Oximetry Devices
True Heart Rate Variability calculations require accurate measurement of the time between each heart beat. Unfortunately, most wrist bands and watches that use LED/Pulse Oximetry type sensors are not accurate enough yet to capture the exact R-wave peak. Technology has advanced to where these devices can accurately measure basic heart rate now, but that is because heart rate is not sensitive to the tiny changes the way that HRV is.
As an example: If your heart rate is 60 beats per minute, your heart could be beating once per second. In this case, if you were measuring the time between each beat in seconds, it would be 1s, 1s, 1s, 1s, 1s. OR… Your heart could be alternating speeds – something like: 1.17, 0.97, 0.83, 1.03. Either way, your basic heart rate could still be 60 beats per minute. But your heart rate variability would be significantly different in these two scenarios.
Many devices aren’t built to measure HRV, so they simply smooth out, or average, the R-R intervals to make it easier to report basic heart rate."
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