Drones are now being trained to spot violent people in crowds

Get your Minority Report or Skynet references ready, researchers at the University of Cambridge are working on a way to use AI and drone surveillance to spot violent behavior in crowds. The research paper even has a cool sci-fi name: Eye in the Sky. The project uses an inexpensive Parrot AR 2.0 drone to watch crowds of people from above. Then it uses AI to identify people in violent poses (the paper mentions strangling, punching, kicking, shooting and stabbing). It's important to note that the researchers didn't fly a drone around to detect real violence -- The Verge reports it shot its own video clips using volunteers.