It gets the right answer more than 70 per cent of the time, which is as good as most people.

　　Other systems analyze speech intonation(语调)to infer emotions from the way that something is said, and analyze body posture and gestures.

　　Ian Davies, one of the research members in Robinson’s team, is looking at the use of these technologies in command and control systems. “Even in something as simple as a car we need to know if the driver is concentrating and confused, so that we can protect him from distractions(干扰)from a mobile phone, the radio, or something else, ”he said.

　　Robinson wants computers to understand emotions and express them, whether through cartoon animations or physical robots.

　　PhD student Tadas, another team member, is working on animating figures to copy a person’s facial expressions, while Laurel Riek is experimenting with a robotic head based on computer pioneer Charles Babbage.

　　“Charles has two dozen motors controlling “muscles”in his face, giving him a wide range of expressions, ”said Robinson. “We can use him to explore empathy, harmony building, and co-operation in emotional interactions between people and computers. ”

　　Topic The computer(1)　can detect people’s emotions

　　The team leader and (2)? ·Prof Peter Robinson

　　·Ian Davies

　　·Tadas

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