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Camera Heart Rate Variability Screenshot 0
Camera Heart Rate Variability Screenshot 1
Camera Heart Rate Variability Screenshot 2
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About Camera Heart Rate Variability

Camera Heart Rate Variability is the first app that lets you record, plot and export time and frequency domain Heart Rate Variability Features (as well as heart rate and RR intervals), without requiring any heart rate monitor.

Camera HRV uses a technique called photoplethysmography (PPG for short), which consists in detecting changes in blood volume during a cardiac cycle, by illuminating the skin and measuring changes in light absorption. PPG has become quite a popular non-invasive method for extracting physiological measurements such as heart rate and oxygen saturation. However, most applications today focus simply on heart rate or respiration rate.

Camera HRV can assess cardiac autonomic regulation through quantification of sinus rhythm variability. Since HRV aims at quantifying autonomic regulations, it can be used as marker of sympathetic or parasympathetic predominance, and therefore become relevant in many applications. In athletes for example heavy training is responsible for shifting the cardiac autonomic balance toward a predominance of the sympathetic over the parasympathetic drive, and HRV analysis attempts to quantify this shift.

Other applications span from stress monitoring, assessment of pathological conditions and even emotional regulation during financial decision-making.

Main Features:
- extracts, plots, stores and exports heart rate, rr-intervals, time and frequency domain heart rate variability features (AVNN, SDNN, rMSSD, pNN50, LF, HF, LF/HF)
- configurable time window for feature extraction (30 seconds to 1 minute)
- automatic RR-interval correction
- data export/storage on Dropbox or via email (csv format, exports rr intervals, and computed features).

Find out more at this link: http://www.marcoaltini.com/2/post/2014/01/heart-rate-variability-using-the-phones-camera.html

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author
Simple. Effective. Convenient.
Eugene Belyaev
author
Hi. Can it be possible to have the 5 minutes reading option? And also to have the baseline graphs?
raymond tan
author
This is an app for taking professional measurements of heart rate variability. I would like to suggest that a brief description of the various parameters (e.g., rMSSD) is provided for those learning about he...
Gerry Macridis