[javawizard]

Plenty of sources suggest it is:

https://github.com/giladoved/webcam-heart-rate-monitor

https://medium.com/dev-genius/remote-heart-rate-detection-us...

The Reddit comments on that second one have examples of people doing it with low quality webcams: https://www.reddit.com/r/programming/comments/llnv93/remote_...

It's honestly amazing that this is doable.

[zamadatix]

My dumb ass sat there for a good bit looking at the example in the first link thinking "How does a 30-60 Hz webcam have enough samples per cycle to know it's 77 BPM?". Then it finally clicked in my head beats per minute are indeed not to be conflated with beats per second... :).

Non-paywalled version of the second link https://archive.is/NeBzJ