A potential application of this could be some kind of “privacy sticker” that you’d wear on your hat or your face in order to disable automated facial recognition systems.
Unfortunately this will make you stand out like a Christmas tree on the video. But this must cripple automated facial recognition technology.
[0]: http://odditymall.com/justice-caps-hide-your-face-from-surve...
1. They look for the general shape of the face
2. They look for a skin region and classify it based on shape.
From the segment, then it becomes a complex search problem to match the face to a known face.