According to vnunet.com, the U.S. Department of Homeland Security is investing $3.5 million to develop future computer-based lie detectors. Traditionally, law enforcement personnel have relied on simple fact checking or on polygraphs to detect hostile intents or plain lies. But these approaches are not always effective. Now, computer scientists from Rutgers University are trying a new one. They want to capture subtle body movements with video cameras, such as slight changes in facial expression, and leave to computers the task of interpreting human intentions. If these efforts are successful, the immigration officer who has to decide if you can enter the U.S. might receive some help from a computer -- which can refuse you access to the country. Read more on ZDNet's Emerging Technology Trends.
Sources: Robert Jaques, vnunet.com, September 1, 2005; and various web sites
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