There is already an Android app[1] that does something similar. You put your fin... | Hacker News

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Osiris on April 16, 2013 | parent | context | favorite | on: Webcam Pulse Detector

There is already an Android app[1] that does something similar. You put your finger up to the rear-camera and it detects your heart rate.

[1] https://play.google.com/store/apps/details?id=si.modula.andr...

chewxy on April 16, 2013 [–]

It works differently. This one works by magnification of tiny changes (colour, movement, etc)

See also: http://people.csail.mit.edu/mrub/vidmag/

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