[davidmurdoch]

I remember a project that would amplify videos of very subtle movement. I wonder if that sort of tech could be applied here.

[genmon]

Video magnification -- I've always been surprised that this hasn't been commercialised. Would be valuable in e.g. infant monitors, or as a diagnostic tool in remote video medical consultations.

https://people.csail.mit.edu/mrub/vidmag/

There's sample code on that site, and an online version linked too:

http://lambda.qrilab.com/site/