Friend or foe?: Face recognition goes to war

摘要

There has been a major change in attitudes about security technology since the terrorist attacks on the World Trade Center and the Pentagon. Invasive technologies that were once in the "Big Brother" category are now a small price to pay for the American way of life. Face recognition is one of these technologies with the potential to take away a criminal's favorite cover: hiding within a crowd of people. Armed with a database of photos, face-recognition systems can constantly scan public areas to identify and notify authorities of wanted criminals or terrorists.