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Thursday, March 21, 2013
MIT creates to make Invisible Motion Visible -- New Open Source Code
Researchers at MIT have developed a method (Eulerian Video Magnification) to take any video and amplify the small changes that are normally invisible to the naked eye. This methodology is its infancy but it can already accurately measure heart rate just by measuring small differences in skin color. The algorithm matched extremely well with an EKG machine connected to an infant in hospital care.
Since they are able to apply this code to any video, they were even able to measure the pulse of Christian Bale in “Dark Knight Rises”, even with the make up on.
There seems to be an obvious application in airport security and instantly measuring the pulse of a potential terrorist just by looking at a video. Or by measuring the “micro-expressions” on the face of a perp in interogation. (Link to practice your micro-expression reading – http://www.cio.com/article/facial-expressions-test
They have released the MATLAB code for non-commercial use. A link is included at http://people.csail.mit.edu/mrub/vidmag/. When this gets in the hands of the public, there is no telling what interesting uses will surface.
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