Cited on HN 5 times, 2012–2018, never outright recommendedscore 0
Years with an HN recommendation, 2007–2026
Cited as the canonical demonstration of pulling out invisible signals like pulse from video, with commenters imagining other applications.
The video accompanying the SIGGRAPH 2012 paper on Eulerian Video Magnification. It amplifies subtle changes in ordinary video, such as skin color shifts from a heartbeat, to reveal pulse and tiny motions.
“they amplified color changes. So the tiny flushes caused by the heartbeat were clearly visible” (HN, 2015)
Between Paul Ekman's work in behavioral science and detecting a persons pulse rate from video ( [this video] ), it seems like one could have a pretty decent "lie detector" running on a smart phone.
I remember a similar technique (maybe it's from the same people) where they amplified color changes. So the tiny flushes caused by the heartbeat were clearly visible [this video] (from 1m30s)
Amplified color changes make heartbeat flushes visible
>What can we hack together that can be used to filter seizures? I think a video filter could do this. See this video on Eulerian Video Amplification from SIGGRAPH 2012: [this video] A similar technique to reduce the amplitude of strobing seems plausible.
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