Researchers in Belgium Discover Color Printout Makes Humans Invisible in Some Surveillance Cameras Cities Visual Researchers in Belgium Discover Color Printout Makes Humans Invisible in Some Surveillance Cameras Ellen Red May 2, 2019 Researchers at the Belgian university KU Leuven have demonstrated that a simple color printout will make humans... Read More Read more about Researchers in Belgium Discover Color Printout Makes Humans Invisible in Some Surveillance Cameras